??xml version="1.0" encoding="utf-8" standalone="yes"?>国产精品二区不卡,欧美理论视频,欧美视频一二三区http://www.aygfsteel.com/hwpok/category/31113.htmlDEBUG - 天道酬勤zh-cnMon, 10 Sep 2012 21:09:33 GMTMon, 10 Sep 2012 21:09:33 GMT60java 正则http://www.aygfsteel.com/hwpok/archive/2012/09/10/387426.html惠万?/dc:creator>惠万?/author>Mon, 10 Sep 2012 15:15:00 GMThttp://www.aygfsteel.com/hwpok/archive/2012/09/10/387426.htmlhttp://www.aygfsteel.com/hwpok/comments/387426.htmlhttp://www.aygfsteel.com/hwpok/archive/2012/09/10/387426.html#Feedback0http://www.aygfsteel.com/hwpok/comments/commentRss/387426.htmlhttp://www.aygfsteel.com/hwpok/services/trackbacks/387426.html目录正则表达式介l?a href="http://www.aygfsteel.com/zhugf000/archive/2005/12/12/23414.html#man_match_mode">
匚w模式
字符子集
行结束符
分组和引?/font>
Unicode支持


正则表达式语法参?/font>
  1. 字符
  2. 逻辑操作W?/font>
  3. 向后引用
  4. 边界元字W?/font>
  5. 重复指示W?/font>
  6. 字符子集
  7. 预定义子集(元字W)
  8. 扩展子集Q元字符Q?/li>
  9. 扩展中文子集Q元字符Q?/font>
  10. POSIX字符子集Q只适用于ASCIIQ?/font>
  11. Unicode块和分类

替换表达?br />替换表达?br />
  1. Ҏ字符
  2. 自定义替换表

匚w模式

匚w模式指得是正则表辑ּ引擎以何种模式匚w字符丌Ӏ?br />
模式名称
启用Q禁?br /> ~省启用
说明
UNIX_LINES
(?d)启用Q??-d)用
?br /> 启用Unix行模式?br />在此模式下,只有 '\n'被认为是行结束符。它会媄?tt>., ^, ?$ 的行为?br />
CASE_INSENSITIVE
(?i)启用Q??-i)用
?br /> 启用忽略大小写模式?br />~省Ӟ忽略大小写模式只会媄?ASCII字符的匹配?而Unicode范围的忽略大写匚w需要通过 UNICODE_CASE 标志与本标志联合使用?br />启用此模式会影响匚w性能?br />
COMMENTS
(?x)启用Q??-x)用
?br /> 允许I格和注释出现在正则表达式中?br />在此模式下,I格被忽略,?开始的单行注释被忽略?
MULTILINE
(?m)启用Q??-m)用
?br /> 启用多行模式?br />In multiline mode the expressions ^ and $ match just after or just before, respectively, a line terminator or the end of the input sequence. By default these expressions only match at the beginning and the end of the entire input sequence.

DOTALL
(?s)启用Q??-s)用
?br /> ?可以匚w行结束符?br />在此模式下,元字W?tt>.可以匚w行结束符。缺省不允许如此匚w?br />

UNICODE_CASE
(?u)启用Q??-u)用
?br /> Enables Unicode-aware case folding.
When this flag is specified then case-insensitive matching, when enabled by the CASE_INSENSITIVE flag, is done in a manner consistent with the Unicode Standard. By default, case-insensitive matching assumes that only characters in the US-ASCII charset are being matched. 启用此模式会影响性能?br />
CANON_EQ
(?c)启用Q??-c)用
?br /> Enables canonical equivalence.
When this flag is specified then two characters will be considered to match if, and only if, their full canonical decompositions match. The expression "a\u030A", for example, will match the string "?" when this flag is specified. By default, matching does not take canonical equivalence into account.
启用此模式会影响性能?br />


字符子集

字符子集可以含有别的字符子集Qƈ且可以通过联合操作W(~省Q和交集操作W(&&Q实现组合。联合操作符表示某个子集匚w它的子子集所匚w的Q意字W。交集操作符表明某个字符子集只匹配它的子子集都匹配的字符?br />字符子集所能够有的操作W的优先U如下,从高CQ?br />
  1. 转义W\x
  2. 成组W?[...]
  3. 区间W?a-z
  4. 联合W?[a-e][i-u]
  5. 交集W?[a-z&&[aeiou]]
注意Q在字符子集[]内部的语法根本不同于正则表达式其它部分中的语法。例如,在字W子集内部,正则表达?. 失去了它原有的含义,而是成了一个匹?的元字符?

行结束符

行结束符是一个或两个字符序列Q用以表明输入字W序列中一行的l束。下面的字符被认为是行结束符Q?br />
  • 一个换行符('\n')?/li>
  • 一个回车符加上一个换行符("\r\n")?/li>
  • 一个单独的回RW?'\r')?/li>
  • 代表下一行的字符('\u0085')?/li>
  • 行分隔符('\u2028')QUnicode中被定义?/li>
  • 一个分D늬('\u2029)QUnicode中被定义?/li>
如果 UNIX_LINES 模式被启用,则只有换行符被认为是行结束符?br />如果 MULTILINE 模式被启用,?br />

分组和引?/h3>字符分组以它们的左括L出现序来排序。例如在表达?(A)(B(C)))Q有四个分组Q?br />
  1. ((A)(B(C)))
  2. (A)
  3. (B(C))
  4. (C)
W?l永q表C辑ּ本n?br />分组采用q样的命名方式,是因为,在一ơ匹配过E中Q正则表辑ּ会被匚w多次。以前的匚w子序列有可能在将来被使用Q或者在匚wl束ӞE序有可能需要重新获得所有匹配的子字W序列?br />对于正则表达式中的某个分l而言Q永q只保留最后匹配的字符序列。如果对某个分组匚w试p|Q则会保留上ơ匹配成功的字符序列。例如,对于正则表达?a(b)?)+而言Q字W序?aba"Q将会让分组2匚w的字W序列ؓ"b"?br />??开始的分组Q将不会计入分组数目Q也不会被后l匹配所引用?br />

Unicode支持

本正则表辑ּ匚w引擎的实现遵循了?a >Unicode技术报告:Unicode正则表达式指?/font>》,实现了该指南的第二层所需的功能,但是在细微处有一些简单语法修攏V?br />Unicode?Block)和分c?Category)通过\p和\P通配苻表C。\p{prop}匚w含有prop的输入序列,而\P{prop}匚w不含?strong>prop的输入序列。Unicode块通过前缀In表示Q如\p{InMongolian}。Unicode分类通过可选的前缀Is表示Q因此\p{L}和\p{IsL}都代表Unicode分类 letters。Unicode块和分类都可以在正则表达式子集外部和内部使用?br />目前支持的Unicode块和分类是?a >Unicode标准Q第三版》中所指定的块和分cR?Unicode块名U在?a >Unicode 字符数据?/font>》的W?4章被定义Q文件名U叫Blocks-3.txtQ但是名UC的空DL了。例?Basic Latin"成了"BasicLatin"。无论是标准化的q是非标准化的分c,都在该标准的W?8늚W?-5表中被全部定义?br />

与Perl 5正则表达式语法对?

[TBD]


正则表达式参?/h2>

字符

正则表达式字W串
匚w的字W串
X
字符XQ包?CJK ExtB 区汉?br />
\\
反斜杠\
\0n 八进?n代表的字W?0<=n<=7)
\0nn
八进?nn代表的字W?0<=n<=7)
\0mnn
八进?mnn代表的字W?0<=m<=3,0<=n<=7)
\xhh
十六q制 0xhh所代表的字W?br />
\uhhhh
十六q制 0xhhhh所代表的字W?font color="#ff0000">注意Q目前尚不支持CJK ExtB区汉字?br />
\t
制表W?'\u0009')
\n
换行('\u000A')
\r
回R('\u000D')
\a
响铃W?'\u0007')
\e
取消WEscape('\001B')
\cx
x所代表的控制字W?br />

逻辑操作W?/h3>
正则表达式字W串
匚w的字W串
XY
X后面跟随Y
X|Y
X或?em>Y
(X)
X作ؓ分组表达?br />

向后引用

正则表达式字W串
匚w的字W串
\n
W?strong>n个匹配的分组

边界元字W?/h3>
边界字符
匚w的字W串
^
行首
$
行末
\b 字符边界
\B
非字W边?br />
\A
输入的开?br />
\G
上次匚w的结束处
\Z
输入的l束Q或者是最后一个行l束W,参见行结束符?br />
\z
输入的l束

重复指示W?/h3>
正则表达式字W串
匚w的字W串
X?
X重复一ơ,或者不重复
X*
X重复0ơ或多次
X+
X重复1ơ或多次
X{n}
X重复nơ,不多也不?br />
X{n,}
X臛_重复n?br />
X{n,m}
X臛_重复nơ,臛_重复mơ?br />
注:X{n,m}???方式可以联合使用?br />

字符子集

正则表达式字W串子集
匚w的字W串
l合方式
[abc]
字符a,b或cQ包?CJK ExtB 区汉?br /> 单子?br />
[^abc]
L非a,b或c的字W?br /> 排除
[a-zA-Z] 从a到zQ或者A到ZQ包含a,z,A,Z?br /> 区间
[a-d[m-p]]
从a到dQ或者m到pQ等于[a-dm-p]?br /> 联合
[a-z&&[def]]
d,e或者f?br /> 交集
[a-z&&[^bc]]
从a到zQ除了b和cQ等于[ad-z]
扣除
[a-z&&[^m-p]]
从a到zQƈ且不包括从m到pQ等于[a-lq-z]
扣除

预定义子集(元字W)

边界字符
匚w的字W串
.
L字符Q可能匹配行l束W?br />
\d
数字[0-9]
\D 非数字[^0-9]
\s
I白W[ \t\n\x0B\f\r]
\S
非空白符[^\s]
\w
单词W,包含有字母和数字[a-zA-Z_0-9]
\W
非单词符Q不包含有字母和数字?br />

扩展子集Q元字符Q?/h3>
正则表达式字W串
匚w的字W串




扩展中文子集Q元字符Q?/h3>
名称
块名Uͼ\p{InXXX}Q?br /> 化通配W?br /> 标准Unicode块,或者汉字列?br />
L双字节字W(汉字或全角符P
\p{InQuqnJiao}
\E
L由GBK表示的汉字,不包括GB18030扩展部分Q?br />以及CJK ExtB区的汉字?br />
L单字节字W?br /> \p{InFQuanJiao}
\~E
L单字节字W?br />
L全角ASCII字符
\p{InQJAscii}
\H
标准HalfwidthandFullwidthForms?br />
L收录在BIG5码集中的双字节字W?br /> \p{InBig5}
\I
Big5可编码双字节字符
匚w未收录在BIG5码集中的双字节字W?/td> \p{InFBig5}
\~I
非Big5可编码双字节字符
匚wL汉字(不包括符?
\p{InHanziOrCJKExtB}
\X
L汉字Q包括GB18030扩展部分?br />
匚wL汉字(不包括符?
\p{InHanzi}
\M
L汉字Q不包括GB18030扩展部分?br />
匚w非汉字的双字节字W?br /> \p{InFHanzi}
\~M
L非汉字的双字节字W,
包括GB18030扩展部分?br />
地支字符
\p{InDiZhi}
\U
子丑寅卯辰埩午未申酉戌亥
匚w收录在GB码集中的双字节字W?br /> \p{InGB}
\g
收录在GB码集中的双字节字W,
不包括GB18030扩展部分?br />
匚w非收录在GB码集中的双字节字W?br /> \p{InFGB}
\~g
未收录在GB码集中的双字节字W,
不包括GB18030扩展部分?br />
匚w收录在GBK码集中的双字节字W?br /> \p{InGBK}
\h
收录在GBK码集中的双字节字W,
不包括GB18030扩展部分?br />
匚w非收录在GBK码集中的双字节字W?br /> \p{InFGBK}
\~h
未收录在GBK码集中的双字节字W,
不包括GB18030扩展部分?br />
大写希腊字母
\p{InDaXila}
\K
ΑΒΓΔΕΖΗΘΙΚΛΜΝ
ΞΟΠΡΣΤΥΦΧΨΩ
日文片假?br /> \p{InPianJia}
\j
标准Katakana?br />
日文q_?br /> \p{InPingJia}
\J
标准Hiragana?br />
写希腊字母
\p{InXiaoXila}
\k
αβγδεζηθικλμν
ξοπρστυφχψω
数学W号
\p{InMathe}
\m
±×÷∶∧∨∑∏∪∩∈∷√⊥∥∠⌒⊙
∫∮≡≌≈∽∝≠≮≯≤≥∞∵∴
中文数字
\p{InCnDigit}
\i
〇一二三四五六七八九十百千万亿兆吉京
大写中文数字
\p{InDaCnDigit}
\N
零壹贰叁肆伍陆柒捌玖拾䘪仟萬亿兆吉京
全角标点W号
\p{InQJBiaoDian}
\o
、?#183;ˉˇ¨〃?#8212;?#8214;…‘’“”〔?br />〈〉《》「」『』〖〗【】!Q'Q)Q?br />Q.Q;Q=Q?Q]{|}`H﹊H﹌H﹎H﹐H﹒H﹕H﹗H﹚
H﹜H﹞|︶|ؓ|﹀|DH﹂H﹄
|Ӈ|P|x|?br />
写俄文字母
\p{InXiaoEWen}
\l
аб{Cеёжзийaxмн
о\рстуфхцчшщъыьэюя
大写俄文字母
\p{InDaEWen}
\R
АБВГДЕЁЖЗИЙКЛМНО
ПРСТУФ[ЦЧШЩЪЫЬfy
中文序号
\p{InCnSN}
\q
ⅠⅡⅢⅣⅤⅥⅦⅧⅨⅩⅪⅫ
ⅰⅱⅲⅳⅴⅵⅶⅷⅸⅹ
再加上Unicode标准EnclosedAlphanumerics?br />
天干字符
\p{InTianGan}
\T
甲乙丙丁戊己庚辛壬癸
竖排标点W号
\p{InSPBiaoDian}
\V
|︶|ؓ|﹀|DH﹂H﹄|Ӈ|P|x|?br />
拼音字符
\p{InPinyin}
\y
āáǎàēéěèīíǐìōóǒòūúǔùǖǘǚǜüêɑńň
GBK -> 0xA8A1- 0xA8C0
只是Unicode标准LatinExtended-A块的一部分?br />
注音字符
\p{InZhuyin}
\Y
标准Bopomofo?br />
制表字符
\p{InZhiBiao}
\C
标准BoxDrawing块?br />l检查发?textpro 的算法含有部分非?br />准Unicode制表W:“∟∣≒≦≧⊿═”?br />

POSIX字符子集Q只适用于ASCIIQ?/h3>
正则表达式字W串
匚w的字W串
\p{Lower}
写字母[a-z]
\p{Upper}
大写字母[A-Z]
\p{ASCII}
所有的ASCII字符[\x00-\x7F]
\p{Alpha}
大小写字母[\p{Lower}\p{Upper}]
\p{Digit}
数字[0-9]
\p{Alnum}
字母数字W,包含大小写字母和数字[\p{Alpha}\p{Digit}]
\p{Punct}
标点W号Q?"#$%&'()*+,-./:;<=>?@[\]^_`{|}~之一?br />
\p{Graph}
可显C字W[\p{Alnum}\p{Punct}]
\p{Print}
可打印字W[\p{Graph}]
\p{Blank}
I格或者制表符[ \t]
\p{Cntrl}
控制字符[\x00-\x1F\x7F
\p{XDigit}
十六q制数字[0-9a-fA-F]
\p{Space}
I白W[ \t\n\x0B\f\r]

Unicode块和分类

?br /> 中文名称Q摘自Word XPQ?br /> 代码区域
BasicLatin
基本拉丁?br /> \u0000-\u007F
Latin-1Supplement
拉丁?1
\u0080-\u00FF
LatinExtended-A
拉丁语扩?A
\u0100-\u017F
LatinExtended-Bound
拉丁语扩?B
\u0180-\u024F
IPAExtensions
国际x扩充
\u0250-\u02AF
SpacingModifierLetters
q格的修饰字W?br /> \u02B0-\u02FF
CombiningDiacriticalMarks
l合用发音符
\u0300-\u036F
Greek
基本希腊?br /> \u0370-\u03FF
Cyrillic
襉K语
\u0400-\u04FF
Armenian

\u0530-\u058F
Hebrew

\u0590-\u05FF
Arabic

\u0600-\u06FF
Syriac

\u0700-\u074F
Thaana

\u0780-\u07BF
Devanagari

\u0900-\u097F
Bengali

\u0980-\u09FF
Gurmukhi

\u0A00-\u0A7F
Gujarati

\u0A80-\u0AFF
Oriya

\u0B00-\u0B7F
Tamil

\u0B80-\u0BFF
Telugu

\u0C00-\u0C7F
Kannada

\u0C80-\u0CFF
Malayalam

\u0D00-\u0D7F
Sinhala

\u0D800-\uDFF
Thai

\u0E00-\u0E7F
Lao

\u0E80-\u0EFF
Tibetan
藏语
\u0F00-\u0FFF
Myanmar

\u1000-\u109F
Georgian

\u10A0-\u10FF
HangulJamo

\u1100-\u11FF
Ethiopic

\u1200-\u137F
Cherokee

\u13A0-\u13FF
UnifiedCanadianAboriginalSyllabics

\u1400-\u167F
Ogham

\u1680-\u169F
Runic

\u16A0-\u16FF
Khmer

\u1780-\u17FF
Mongolian
蒙古?br /> \u1800-\u18AF
LatinExtendedAdditional

\u1E00-\u1EFF
GreekExtended

\u1F00-\u1FFF
GeneralPunctuation
q义标点
\u2000-\u206F
SuperscriptsandSubscripts

\u2070-\u209F
CurrencySymbols
货币W号
\u20A0-\u20CF
CombiningMarksforSymbols

\u20D0-\u20FF
LetterlikeSymbols
cM字母的符?br /> \u2100-\u214F
NumberForms
数字形式
\u2150-\u218F
Arrows

\u2190-\u21FF
MathematicalOperators
数学q算W?br /> \u2200-\u22FF
MiscellaneousTechnical
零杂技术用W号
\u2300-\u23FF
ControlPictures

\u2400-\u243F
OpticalCharacterRecognition

\u2440-\u245F
EnclosedAlphanumerics
带括L字母数字
\u2460-\u24FF
BoxDrawing
制表W?br /> \u2500-\u257F
BlockElements
方块囑Ş
\u2580-\u259F
GeometricShapes
几何囑Ş
\u25A0-\u25FF
MiscellaneousSymbols
零杂丁贝W(C意W等Q?br /> \u2600-\u26FF
Dingbats

\u2700-\u27BF
BraillePatterns

\u2800-\u28FF
CJKRadicalsSupplement

\u2E80-\u2EFF
KangxiRadicals

\u2F00-\u2FDF
IdeographicDescriptionCharacters

\u2FF0-\u2FFF
CJKSymbolsandPunctuation
CJKW号和标?br /> \u3000-\u303F
Hiragana
q_?br /> \u3040-\u309F
Katakana
片假?br /> \u30A0-\u30FF
Bopomofo
注音
\u3100-\u312F
HangulCompatibilityJamo

\u3130-\u318F
Kanbun

\u3190-\u319F
BopomofoExtended
扩展注音
\u31A0-\u31BF
EnclosedCJKLettersandMonths
带括LCJK字母及月?br /> \u3200-\u32FF
CJKCompatibility
CJK兼容字符
\u3300-\u33FF
CJKUnifiedIdeographsExtensionA
CJKl一汉字扩展-A
\u3400-\u4dBF
CJKUnifiedIdeographs
CJKl一汉字
\u4E00-\u9fAF
YiSyllables

\uA000-\uA48F
YiRadicals

\uA490-\uA4CF
HangulSyllables

\uAC00-\uD7A3
HighSurrogates

\uD800-\uDB7F
HighPrivateUseSurrogates

\uDB80-\uDBFF
LowSurrogates

\uDC00-\uDFFF
PrivateUse
专用?br /> \uE000-\uF8FF
CJKCompatibilityIdeographs
CJK兼容汉字
\uF900-\uFAFF
AlphabeticPresentationForms

\uFB00-\uFB4F
ArabicPresentationForms-A

\uFB50-\uFDFF
CombiningHalfMarks

\uFE20-\uFE2F
CJKCompatibilityForms
CJK兼容形式
\uFE30-\uFE4F
SmallFormVariants
写变体
\uFE50-\uFE6F
ArabicPresentationForms-Bound

\uFE70-\ufeFF
Specials

\uFFF0-\uFFFF
HalfwidthandFullwidthForms
半Ş及全形字W?br /> \uFF00-\uFFEF


分类
全称
说明
Cn

UNASSIGNED
Lu

UPPERCASE_LETTER
Ll

LOWERCASE_LETTER
Lt

TITLECASE_LETTER
Lm

MODIFIER_LETTER
Lo

OTHER_LETTER
Mn

NON_SPACING_MARK
Me

ENCLOSING_MARK
Mc

COMBINING_SPACING_MARK
Nd

DECIMAL_DIGIT_NUMBER
Nl

LETTER_NUMBER
No

OTHER_NUMBER
Zs

SPACE_SEPARATOR
Zl

LINE_SEPARATOR
Zp

PARAGRAPH_SEPARATOR
Cc

CNTRL
Cf

FORMAT
Co

PRIVATE_USE
Cs

SURROGATE
Pd

DASH_PUNCTUATION
Ps

START_PUNCTUATION
Pe

END_PUNCTUATION
Pc

CONNECTOR_PUNCTUATION
Po

OTHER_PUNCTUATION
Sm

MATH_SYMBOL
Sc

CURRENCY_SYMBOL
Sk

MODIFIER_SYMBOL
So

OTHER_SYMBOL
L

LETTER
M

MARK
N

NUMBER
Z

SEPARATOR
C

CONTROL
P

PUNCTUATION
S

SYMBOL
LD

LETTER_OR_DIGIT
L1

Latin-1
all

ALL
ASCII

ASCII
Alnum

字母数字(0-9,a-z,A-Z)
Alpha

字母(a-z,A-Z)
Blank

I格和制表符(' '|\t)
Cntrl

控制字符Q不可打?br />
Digit

数字(0-9)
Graph

可打C可视字母Q例如空? '是可打印的但不是可视字母Q?`a' 两者都是。)
Lower

写字母
Print

可打印字母(非控制字W)
Punct

标符P字母、数字、控制、空白符以外的字母)Q如Q?@#$%}{<>,./?[]{等?br />
Space

I白W?' ',\t,0x09,0x0A,0x0B,0x0C,0x0D,0x20)
Upper

大写字母
XDigit

十六q制数字(0-9Qa-f, A-F)





替换表达?/h3>Ҏ字符
Ҏ字符介绍
描述
\n
换行
\b
向前删除一个字W。当q个字符位于替换串之首时Q将删除匚w串之前的一个字W。若匚w串位于行首,匚w串所在行与前一行相合ƈ?br />
\d
向后删除一个字W。当q个字符位于替换串之末时Q将删除匚w串之后的一个字W。若匚w串位于行末,匚w串所在行与下一行相合ƈ?br />
\e
插入一个ESC字符
\t
插入一个TAB字符
\n
n代表查找正则表达式中的子表达式(l)。\1代表W一个子表达式,\2代表W二个子表达式,依次cL。\0代表整个匚w到的字符丌Ӏ?br />
\v
大写下一个字?br />
\U
全部大写以后的字母,直到到其它指示Wؓ止?br />
\l
写下一个字?br />
\L
全部写以后的字母,直到到其它指示Wؓ止?br />
\E
取消所有的字母大小写指C符?br />


自定义替换表

在查找/替换中用自定义替换?
有的时候,上述单的自定义替换功能是不够的。例如,用户可能希望只把出现在括号内的源串替换ؓ目标丌Ӏ这U文本处理可以通过在查?替换中用自定义替换表来解决?

在查?替换功能中用自定义替换表的替换函数是\TnQ其中n?-9的数字, 注意n?表示W?0张替换表。如果略去nQ其效果相当于\T1Q即使用W一张替换表。例如要把所有放在方括号中的汉字替换为拼韻I可以查找“\[(\E)\]”Q替换ؓ“\T{\1}”。即把第一个子表达式的匚w内容按自定义替换表{换。注意,如果\T函数的参C在替换表的源串中Q\T函数的结果与源串相同Q即不做M变换?

有些情况下,用户可能希望只用替换表的一部分内容。还是以拼音ZQ前面给出的替换表中包含了拼音的韌Q如果在替换时不希望加上q些韌数字Q可以?#8220;qo”功能。所谓过滤,其实是用一个正则表辑ּd析替换表的目标串Qƈ把其中的某个子表辑ּ取出来?

使用“qo”Ӟ?#8220;讄自定义替换表”对话框中Q点“qo”按钮Q在弹出的对话框中填入一个正则表辑ּ。再以拼音ؓ例,表达式可以写?#8220;(\p{Alpha}+)(\d)”Q其中第一Ҏ号中的是不含韌的拼韻IW二Ҏh韌。在调用\T函数ӞJTextPro会在目标串中查找q个正则表达式。但是如何把其中的子表达式取出来呢?\T函数q有一个可选的下标Q取Wn个子表达式的值就写作\T{...}[n]。所以,把放在方括号中的汉字替换Z带调的拼韻I可以查找“\[(\E)\]”Q替换ؓ“\T{\1}[1]”


]]>抓网?/title><link>http://www.aygfsteel.com/hwpok/archive/2008/07/14/214839.html</link><dc:creator>惠万?/dc:creator><author>惠万?/author><pubDate>Mon, 14 Jul 2008 15:24:00 GMT</pubDate><guid>http://www.aygfsteel.com/hwpok/archive/2008/07/14/214839.html</guid><wfw:comment>http://www.aygfsteel.com/hwpok/comments/214839.html</wfw:comment><comments>http://www.aygfsteel.com/hwpok/archive/2008/07/14/214839.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hwpok/comments/commentRss/214839.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hwpok/services/trackbacks/214839.html</trackback:ping><description><![CDATA[今天晚上,帮我一个同门师?解决一下问?<br /> 题目?抓取一个网站的所以页?q抓下这些页码的所有网址.<br /> 代码如下:<br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /><span style="color: #0000ff">package</span><span style="color: #000000"> com.hwp.test;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.io.InputStream;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.net.HttpURLConnection;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.net.URL;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.ArrayList;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.HashMap;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.List;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.Map;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.Set;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.regex.Matcher;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">import</span><span style="color: #000000"> java.util.regex.Pattern;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">class</span><span style="color: #000000"> SearchEngine<br /> <img id="Codehighlighter1_319_3200_Open_Image" onclick="this.style.display='none'; Codehighlighter1_319_3200_Open_Text.style.display='none'; Codehighlighter1_319_3200_Closed_Image.style.display='inline'; Codehighlighter1_319_3200_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_319_3200_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_319_3200_Closed_Text.style.display='none'; Codehighlighter1_319_3200_Open_Image.style.display='inline'; Codehighlighter1_319_3200_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedBlock.gif" align="top" alt="" /></span><span id="Codehighlighter1_319_3200_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_319_3200_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">private</span><span style="color: #000000"> Map</span><span style="color: #000000"><</span><span style="color: #000000">String, List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">>></span><span style="color: #000000"> pageNameUrls;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> SearchEngine()<br /> <img id="Codehighlighter1_408_474_Open_Image" onclick="this.style.display='none'; Codehighlighter1_408_474_Open_Text.style.display='none'; Codehighlighter1_408_474_Closed_Image.style.display='inline'; Codehighlighter1_408_474_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_408_474_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_408_474_Closed_Text.style.display='none'; Codehighlighter1_408_474_Open_Image.style.display='inline'; Codehighlighter1_408_474_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span id="Codehighlighter1_408_474_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_408_474_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        pageNameUrls </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> HashMap</span><span style="color: #000000"><</span><span style="color: #000000">String, List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">>></span><span style="color: #000000">();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">private</span><span style="color: #000000"> String getContent(String httpUrl)<br /> <img id="Codehighlighter1_531_1358_Open_Image" onclick="this.style.display='none'; Codehighlighter1_531_1358_Open_Text.style.display='none'; Codehighlighter1_531_1358_Closed_Image.style.display='inline'; Codehighlighter1_531_1358_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_531_1358_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_531_1358_Closed_Text.style.display='none'; Codehighlighter1_531_1358_Open_Image.style.display='inline'; Codehighlighter1_531_1358_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span id="Codehighlighter1_531_1358_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_531_1358_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String htmlCode </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">""</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">try</span><span style="color: #000000"><br /> <img id="Codehighlighter1_583_1215_Open_Image" onclick="this.style.display='none'; Codehighlighter1_583_1215_Open_Text.style.display='none'; Codehighlighter1_583_1215_Closed_Image.style.display='inline'; Codehighlighter1_583_1215_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_583_1215_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_583_1215_Closed_Text.style.display='none'; Codehighlighter1_583_1215_Open_Image.style.display='inline'; Codehighlighter1_583_1215_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span id="Codehighlighter1_583_1215_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_583_1215_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            InputStream in;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            URL url </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> java.net.URL(httpUrl);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            HttpURLConnection connection </span><span style="color: #000000">=</span><span style="color: #000000"> (HttpURLConnection) url<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                    .openConnection();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            connection </span><span style="color: #000000">=</span><span style="color: #000000"> (HttpURLConnection) url.openConnection();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            connection.setRequestProperty(</span><span style="color: #000000">"</span><span style="color: #000000">User-Agent</span><span style="color: #000000">"</span><span style="color: #000000">, </span><span style="color: #000000">"</span><span style="color: #000000">Mozilla/4.0</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            connection.connect();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            in </span><span style="color: #000000">=</span><span style="color: #000000"> connection.getInputStream();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">byte</span><span style="color: #000000">[] buffer </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> </span><span style="color: #0000ff">byte</span><span style="color: #000000">[</span><span style="color: #000000">512</span><span style="color: #000000">];<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">int</span><span style="color: #000000"> length </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">-</span><span style="color: #000000">1</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">while</span><span style="color: #000000"> ((length </span><span style="color: #000000">=</span><span style="color: #000000"> in.read(buffer, </span><span style="color: #000000">0</span><span style="color: #000000">, </span><span style="color: #000000">512</span><span style="color: #000000">)) </span><span style="color: #000000">!=</span><span style="color: #000000"> </span><span style="color: #000000">-</span><span style="color: #000000">1</span><span style="color: #000000">)<br /> <img id="Codehighlighter1_1132_1205_Open_Image" onclick="this.style.display='none'; Codehighlighter1_1132_1205_Open_Text.style.display='none'; Codehighlighter1_1132_1205_Closed_Image.style.display='inline'; Codehighlighter1_1132_1205_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_1132_1205_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_1132_1205_Closed_Text.style.display='none'; Codehighlighter1_1132_1205_Open_Image.style.display='inline'; Codehighlighter1_1132_1205_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            </span><span id="Codehighlighter1_1132_1205_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_1132_1205_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                htmlCode </span><span style="color: #000000">+=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> String(buffer, </span><span style="color: #000000">0</span><span style="color: #000000">, length);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />            }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />        }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">catch</span><span style="color: #000000"> (Exception e)<br /> <img id="Codehighlighter1_1253_1254_Open_Image" onclick="this.style.display='none'; Codehighlighter1_1253_1254_Open_Text.style.display='none'; Codehighlighter1_1253_1254_Closed_Image.style.display='inline'; Codehighlighter1_1253_1254_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_1253_1254_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_1253_1254_Closed_Text.style.display='none'; Codehighlighter1_1253_1254_Open_Image.style.display='inline'; Codehighlighter1_1253_1254_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span id="Codehighlighter1_1253_1254_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_1253_1254_Open_Text"><span style="color: #000000">{}</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">if</span><span style="color: #000000"> (htmlCode </span><span style="color: #000000">==</span><span style="color: #000000"> </span><span style="color: #0000ff">null</span><span style="color: #000000">)<br /> <img id="Codehighlighter1_1294_1327_Open_Image" onclick="this.style.display='none'; Codehighlighter1_1294_1327_Open_Text.style.display='none'; Codehighlighter1_1294_1327_Closed_Image.style.display='inline'; Codehighlighter1_1294_1327_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_1294_1327_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_1294_1327_Closed_Text.style.display='none'; Codehighlighter1_1294_1327_Open_Image.style.display='inline'; Codehighlighter1_1294_1327_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span id="Codehighlighter1_1294_1327_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_1294_1327_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">return</span><span style="color: #000000"> </span><span style="color: #000000">""</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />        }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">return</span><span style="color: #000000"> htmlCode;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">private</span><span style="color: #000000"> List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">></span><span style="color: #000000"> getPageUrls(String page)<br /> <img id="Codehighlighter1_1419_1951_Open_Image" onclick="this.style.display='none'; Codehighlighter1_1419_1951_Open_Text.style.display='none'; Codehighlighter1_1419_1951_Closed_Image.style.display='inline'; Codehighlighter1_1419_1951_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_1419_1951_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_1419_1951_Closed_Text.style.display='none'; Codehighlighter1_1419_1951_Open_Image.style.display='inline'; Codehighlighter1_1419_1951_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span id="Codehighlighter1_1419_1951_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_1419_1951_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">></span><span style="color: #000000"> urls </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> ArrayList</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">></span><span style="color: #000000">();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String content </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">this</span><span style="color: #000000">.getContent(page);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />         <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String reg </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">http://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?</span><span style="color: #000000">"</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Pattern pattern </span><span style="color: #000000">=</span><span style="color: #000000"> Pattern.compile(reg);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Matcher matcher </span><span style="color: #000000">=</span><span style="color: #000000"> pattern.matcher(content);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String url </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">""</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">while</span><span style="color: #000000"> (matcher.find())<br /> <img id="Codehighlighter1_1783_1924_Open_Image" onclick="this.style.display='none'; Codehighlighter1_1783_1924_Open_Text.style.display='none'; Codehighlighter1_1783_1924_Closed_Image.style.display='inline'; Codehighlighter1_1783_1924_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_1783_1924_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_1783_1924_Closed_Text.style.display='none'; Codehighlighter1_1783_1924_Open_Image.style.display='inline'; Codehighlighter1_1783_1924_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span id="Codehighlighter1_1783_1924_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_1783_1924_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            url </span><span style="color: #000000">=</span><span style="color: #000000"> matcher.group();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">if</span><span style="color: #000000"> (</span><span style="color: #000000">!</span><span style="color: #000000">urls.contains(url))<br /> <img id="Codehighlighter1_1869_1914_Open_Image" onclick="this.style.display='none'; Codehighlighter1_1869_1914_Open_Text.style.display='none'; Codehighlighter1_1869_1914_Closed_Image.style.display='inline'; Codehighlighter1_1869_1914_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_1869_1914_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_1869_1914_Closed_Text.style.display='none'; Codehighlighter1_1869_1914_Open_Image.style.display='inline'; Codehighlighter1_1869_1914_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            </span><span id="Codehighlighter1_1869_1914_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_1869_1914_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                urls.add(url);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />            }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />        }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">return</span><span style="color: #000000"> urls;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> test(String url, String baseUrl)<br /> <img id="Codehighlighter1_2011_2664_Open_Image" onclick="this.style.display='none'; Codehighlighter1_2011_2664_Open_Text.style.display='none'; Codehighlighter1_2011_2664_Closed_Image.style.display='inline'; Codehighlighter1_2011_2664_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_2011_2664_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_2011_2664_Closed_Text.style.display='none'; Codehighlighter1_2011_2664_Open_Image.style.display='inline'; Codehighlighter1_2011_2664_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span id="Codehighlighter1_2011_2664_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_2011_2664_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String content </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">this</span><span style="color: #000000">.getContent(url);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #008000">//</span><span style="color: #008000"> System.out.println(content);</span><span style="color: #008000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">        String reg </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">(</span><span style="color: #000000">"</span><span style="color: #000000"> </span><span style="color: #000000">+</span><span style="color: #000000"> baseUrl<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                </span><span style="color: #000000">+</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">(/[\\w-]+)*(/[\\w-]+\\.(htm|html|xhtml|jsp|asp|php)))</span><span style="color: #000000">"</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Pattern pattern </span><span style="color: #000000">=</span><span style="color: #000000"> Pattern.compile(reg);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Matcher matcher </span><span style="color: #000000">=</span><span style="color: #000000"> pattern.matcher(content);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">while</span><span style="color: #000000"> (matcher.find())<br /> <img id="Codehighlighter1_2355_2658_Open_Image" onclick="this.style.display='none'; Codehighlighter1_2355_2658_Open_Text.style.display='none'; Codehighlighter1_2355_2658_Closed_Image.style.display='inline'; Codehighlighter1_2355_2658_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_2355_2658_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_2355_2658_Closed_Text.style.display='none'; Codehighlighter1_2355_2658_Open_Image.style.display='inline'; Codehighlighter1_2355_2658_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span id="Codehighlighter1_2355_2658_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_2355_2658_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            String tempUrl </span><span style="color: #000000">=</span><span style="color: #000000"> matcher.group();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            </span><span style="color: #0000ff">if</span><span style="color: #000000"> (</span><span style="color: #000000">!</span><span style="color: #0000ff">this</span><span style="color: #000000">.pageNameUrls.containsKey(tempUrl))<br /> <img id="Codehighlighter1_2472_2648_Open_Image" onclick="this.style.display='none'; Codehighlighter1_2472_2648_Open_Text.style.display='none'; Codehighlighter1_2472_2648_Closed_Image.style.display='inline'; Codehighlighter1_2472_2648_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_2472_2648_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_2472_2648_Closed_Text.style.display='none'; Codehighlighter1_2472_2648_Open_Image.style.display='inline'; Codehighlighter1_2472_2648_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />            </span><span id="Codehighlighter1_2472_2648_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_2472_2648_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                </span><span style="color: #008000">//</span><span style="color: #008000">System.out.println(tempUrl);</span><span style="color: #008000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">                </span><span style="color: #0000ff">this</span><span style="color: #000000">.pageNameUrls.put(tempUrl, </span><span style="color: #0000ff">this</span><span style="color: #000000">.getPageUrls(tempUrl));<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />                test(tempUrl, baseUrl);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />            }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />        }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    <br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String[] args)<br /> <img id="Codehighlighter1_2718_3198_Open_Image" onclick="this.style.display='none'; Codehighlighter1_2718_3198_Open_Text.style.display='none'; Codehighlighter1_2718_3198_Closed_Image.style.display='inline'; Codehighlighter1_2718_3198_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_2718_3198_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_2718_3198_Closed_Text.style.display='none'; Codehighlighter1_2718_3198_Open_Image.style.display='inline'; Codehighlighter1_2718_3198_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />    </span><span id="Codehighlighter1_2718_3198_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_2718_3198_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String url </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">http://www.aygfsteel.com</span><span style="color: #000000">"</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        String baseUrl </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #000000">"</span><span style="color: #000000">http://www.aygfsteel.com</span><span style="color: #000000">"</span><span style="color: #000000">;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        SearchEngine se </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> SearchEngine();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        se.test(url, baseUrl);<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Map</span><span style="color: #000000"><</span><span style="color: #000000">String, List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">>></span><span style="color: #000000"> map</span><span style="color: #000000">=</span><span style="color: #000000"> se.pageNameUrls;<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        Set</span><span style="color: #000000"><</span><span style="color: #000000">Map.Entry</span><span style="color: #000000"><</span><span style="color: #000000">String, List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">>>></span><span style="color: #000000"> set </span><span style="color: #000000">=</span><span style="color: #000000"> map.entrySet();<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />        </span><span style="color: #0000ff">for</span><span style="color: #000000">(Map.Entry</span><span style="color: #000000"><</span><span style="color: #000000">String, List</span><span style="color: #000000"><</span><span style="color: #000000">String</span><span style="color: #000000">>></span><span style="color: #000000"> entry: set)<br /> <img id="Codehighlighter1_3084_3192_Open_Image" onclick="this.style.display='none'; Codehighlighter1_3084_3192_Open_Text.style.display='none'; Codehighlighter1_3084_3192_Closed_Image.style.display='inline'; Codehighlighter1_3084_3192_Closed_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_3084_3192_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_3084_3192_Closed_Text.style.display='none'; Codehighlighter1_3084_3192_Open_Image.style.display='inline'; Codehighlighter1_3084_3192_Open_Text.style.display='inline';" src="http://www.aygfsteel.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" />        </span><span id="Codehighlighter1_3084_3192_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.aygfsteel.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_3084_3192_Open_Text"><span style="color: #000000">{<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            System.out.println(entry.getKey());<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />            System.out.println(entry.getValue());<br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />        }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />    }</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="" />}</span></span><span style="color: #000000"><br /> <img src="http://www.aygfsteel.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span></div> <img src ="http://www.aygfsteel.com/hwpok/aggbug/214839.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hwpok/" target="_blank">惠万?/a> 2008-07-14 23:24 <a href="http://www.aygfsteel.com/hwpok/archive/2008/07/14/214839.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>正则表达? 抓取|页面上所有图?/title><link>http://www.aygfsteel.com/hwpok/archive/2008/04/30/197464.html</link><dc:creator>惠万?/dc:creator><author>惠万?/author><pubDate>Wed, 30 Apr 2008 02:58:00 GMT</pubDate><guid>http://www.aygfsteel.com/hwpok/archive/2008/04/30/197464.html</guid><wfw:comment>http://www.aygfsteel.com/hwpok/comments/197464.html</wfw:comment><comments>http://www.aygfsteel.com/hwpok/archive/2008/04/30/197464.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.aygfsteel.com/hwpok/comments/commentRss/197464.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/hwpok/services/trackbacks/197464.html</trackback:ping><description><![CDATA[<div style="border: 1px solid #cccccc; padding: 4px 5px 4px 4px; background-color: #eeeeee; font-size: 13px; width: 98%;"><!--<br /> <br /> Code highlighting produced by Actipro CodeHighlighter (freeware)<br /> http://www.CodeHighlighter.com/<br /> <br /> --><span style="color: #0000ff;">package</span><span style="color: #000000;"> com.roadway.test;<br /> <br /> </span><span style="color: #0000ff;">import</span><span style="color: #000000;"> java.io.InputStream;<br /> </span><span style="color: #0000ff;">import</span><span style="color: #000000;"> java.net.HttpURLConnection;<br /> </span><span style="color: #0000ff;">import</span><span style="color: #000000;"> java.net.URL;<br /> </span><span style="color: #0000ff;">import</span><span style="color: #000000;"> java.util.regex.Matcher;<br /> </span><span style="color: #0000ff;">import</span><span style="color: #000000;"> java.util.regex.Pattern;<br /> <br /> </span><span style="color: #0000ff;">public</span><span style="color: #000000;"> </span><span style="color: #0000ff;">class</span><span style="color: #000000;"> TeskSRC {<br />     </span><span style="color: #0000ff;">public</span><span style="color: #000000;"> String getHtmlCode(String httpUrl) {<br />         String htmlCode </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #000000;">""</span><span style="color: #000000;">;<br />         </span><span style="color: #0000ff;">try</span><span style="color: #000000;"> {<br />             InputStream in;<br />             URL url </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> java.net.URL(httpUrl);<br />             HttpURLConnection connection </span><span style="color: #000000;">=</span><span style="color: #000000;"> (HttpURLConnection) url<br />                     .openConnection();<br />             connection </span><span style="color: #000000;">=</span><span style="color: #000000;"> (HttpURLConnection) url.openConnection();<br />             connection.setRequestProperty(</span><span style="color: #000000;">"</span><span style="color: #000000;">User-Agent</span><span style="color: #000000;">"</span><span style="color: #000000;">, </span><span style="color: #000000;">"</span><span style="color: #000000;">Mozilla/4.0</span><span style="color: #000000;">"</span><span style="color: #000000;">);<br />             connection.connect();<br />             in </span><span style="color: #000000;">=</span><span style="color: #000000;"> connection.getInputStream();<br />             </span><span style="color: #0000ff;">byte</span><span style="color: #000000;">[] buffer </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> </span><span style="color: #0000ff;">byte</span><span style="color: #000000;">[</span><span style="color: #000000;">512</span><span style="color: #000000;">];<br />             </span><span style="color: #0000ff;">int</span><span style="color: #000000;"> length </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #000000;">-</span><span style="color: #000000;">1</span><span style="color: #000000;">;<br />             </span><span style="color: #0000ff;">while</span><span style="color: #000000;">((length </span><span style="color: #000000;">=</span><span style="color: #000000;"> in.read(buffer,</span><span style="color: #000000;">0</span><span style="color: #000000;">,</span><span style="color: #000000;">512</span><span style="color: #000000;">)) </span><span style="color: #000000;">!=</span><span style="color: #000000;"> </span><span style="color: #000000;">-</span><span style="color: #000000;">1</span><span style="color: #000000;">){<br />                 htmlCode </span><span style="color: #000000;">+=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> String(buffer,</span><span style="color: #000000;">0</span><span style="color: #000000;">,length);<br />             }<br />         } </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> (Exception e) {<br />         }<br />         </span><span style="color: #0000ff;">if</span><span style="color: #000000;">(htmlCode </span><span style="color: #000000;">==</span><span style="color: #000000;"> </span><span style="color: #0000ff;">null</span><span style="color: #000000;">){<br />             </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> </span><span style="color: #000000;">""</span><span style="color: #000000;">;<br />         }<br />         </span><span style="color: #0000ff;">return</span><span style="color: #000000;"> htmlCode;<br />     }<br />     </span><span style="color: #0000ff;">public</span><span style="color: #000000;"> </span><span style="color: #0000ff;">static</span><span style="color: #000000;"> </span><span style="color: #0000ff;">void</span><span style="color: #000000;"> main(String[] args){<br />         TeskSRC ts </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #0000ff;">new</span><span style="color: #000000;"> TeskSRC();<br />         String searchImgReg </span><span style="color: #000000;">=</span><span style="color: #000000;"> </span><span style="color: #000000;">"</span><span style="color: #000000;">(?x)(src|SRC|background|BACKGROUND)=('|\</span><span style="color: #000000;">"</span><span style="color: #000000;">)(http:</span><span style="color: #008000;">//</span><span style="color: #008000;">([\\w-]+\\.)+[\\w-]+(:[0-9]+)*(/[\\w-]+)*(/[\\w-]+\\.(jpg|JPG|png|PNG|gif|GIF)))('|\")";</span><span style="color: #008000;"><br /> </span><span style="color: #000000;">        String content </span><span style="color: #000000;">=</span><span style="color: #000000;"> ts.getHtmlCode(</span><span style="color: #000000;">"</span><span style="color: #000000;">http://www.163.com</span><span style="color: #000000;">"</span><span style="color: #000000;">);<br />         Pattern pattern </span><span style="color: #000000;">=</span><span style="color: #000000;"> Pattern.compile(searchImgReg);<br />         Matcher matcher </span><span style="color: #000000;">=</span><span style="color: #000000;"> pattern.matcher(content);<br />         </span><span style="color: #0000ff;">while</span><span style="color: #000000;">(matcher.find()){<br />             System.out.println(matcher.group(</span><span style="color: #000000;">3</span><span style="color: #000000;">));<br />         }<br />         </span><span style="color: #008000;">//</span><span style="color: #008000;">searchImgReg  = "(?x)(src|SRC|background|BACKGROUND)=('|\")/?(([\\w-]+/)*([\\w-]+\\.(jpg|JPG|png|PNG|gif|GIF)))('|\")";</span><span style="color: #008000;"><br /> </span><span style="color: #000000;">    }<br /> }<br /> </span></div> <img src ="http://www.aygfsteel.com/hwpok/aggbug/197464.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.aygfsteel.com/hwpok/" target="_blank">惠万?/a> 2008-04-30 10:58 <a href="http://www.aygfsteel.com/hwpok/archive/2008/04/30/197464.html#Feedback" target="_blank" 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