//校驗(yàn)是否全由數(shù)字組成
代碼
- function isDigit(s)
- {
- var patrn=/^[0-9]{1,20}$/;
- if (!patrn.exec(s)) return false
- return true
- }
//校驗(yàn)登錄名:只能輸入5-20個(gè)以字母開頭、可帶數(shù)字、“_”、“.”的字串
代碼
- function isRegisterUserName(s)
- {
- var patrn=/^[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}$/;
- if (!patrn.exec(s)) return false
- return true
- }
//校驗(yàn)用戶姓名:只能輸入1-30個(gè)以字母開頭的字串
代碼
- function isTrueName(s)
- {
- var patrn=/^[a-zA-Z]{1,30}$/;
- if (!patrn.exec(s)) return false
- return true
- }
- }}
- //校驗(yàn)密碼:只能輸入6-20個(gè)字母、數(shù)字、下劃線
- [code]
- function isPasswd(s)
- {
- var patrn=/^(\w){6,20}$/;
- if (!patrn.exec(s)) return false
- return true
- }
//校驗(yàn)普通電話、傳真號碼:可以“+”開頭,除數(shù)字外,可含有“-”
代碼
- function isTel(s)
- {
- //var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?(\d){1,12})+$/;
- var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
- if (!patrn.exec(s)) return false
- return true
- }
//校驗(yàn)手機(jī)號碼:必須以數(shù)字開頭,除數(shù)字外,可含有“-”
代碼
- function isMobil(s)
- {
- var patrn=/^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$/;
- if (!patrn.exec(s)) return false
- return true
- }
//校驗(yàn)郵政編碼
代碼
- function isPostalCode(s)
- {
- //var patrn=/^[a-zA-Z0-9]{3,12}$/;
- var patrn=/^[a-zA-Z0-9 ]{3,12}$/;
- if (!patrn.exec(s)) return false
- return true
- }
//校驗(yàn)搜索關(guān)鍵字
代碼
- function isSearch(s)
- {
- var patrn=/^[^`~!@#$%^&*()+=|\\\][\]\{\}:;'\,.<>/?]{1}[^`~!@$%^&()+=|\\\]
- [\]\{\}:;'\,.<>?]{0,19}$/;
- if (!patrn.exec(s)) return false
- return true
- }
- function isIP(s) //by zergling
- {
- var patrn=/^[0-9.]{1,20}$/;
- if (!patrn.exec(s)) return false
- return true
- }
正則表達(dá)式
代碼
- "^\\d+$" //非負(fù)整數(shù)(正整數(shù) + 0)
- "^[0-9]*[1-9][0-9]*$" //正整數(shù)
- "^((-\\d+)|(0+))$" //非正整數(shù)(負(fù)整數(shù) + 0)
- "^-[0-9]*[1-9][0-9]*$" //負(fù)整數(shù)
- "^-?\\d+$" //整數(shù)
- "^\\d+(\\.\\d+)?$" //非負(fù)浮點(diǎn)數(shù)(正浮點(diǎn)數(shù) + 0)
- "^(([0-9]+\\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\\.[0-9]+)|([0-9]*[1-9][0-9]*))$"
- //正浮點(diǎn)數(shù)
- "^((-\\d+(\\.\\d+)?)|(0+(\\.0+)?))$" //非正浮點(diǎn)數(shù)(負(fù)浮點(diǎn)數(shù) + 0)
- "^(-(([0-9]+\\.[0-9]*[1-9][0-9]*)|([0-9]*[1-9][0-9]*\\.[0-9]+)|([0-9]*[1-9][0-9]*)))$"
- //負(fù)浮點(diǎn)數(shù)
- "^(-?\\d+)(\\.\\d+)?$" //浮點(diǎn)數(shù)
- "^[A-Za-z]+$" //由26個(gè)英文字母組成的字符串
- "^[A-Z]+$" //由26個(gè)英文字母的大寫組成的字符串
- "^[a-z]+$" //由26個(gè)英文字母的小寫組成的字符串
- "^[A-Za-z0-9]+$" //由數(shù)字和26個(gè)英文字母組成的字符串
- "^\\w+$" //由數(shù)字、26個(gè)英文字母或者下劃線組成的字符串
- "^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$" //email地址
- "^[a-zA-z]+://(\\w+(-\\w+)*)(\\.(\\w+(-\\w+)*))*(\\?\\S*)?$" //url
- "^[A-Za-z0-9_]*$"