//String函數(shù)之LTrim(),用于清除字符串開(kāi)頭的空格\換行符\回車等
//Date:2006-06-20
//@Param String(str)
//@Return String
//Begin
function ltrim(str) {
var pattern = new RegExp("^[\\s]+","gi");
return str.replace(pattern,"");
}
//End

//String函數(shù)之RTrim(),用于清除字符串結(jié)尾的空格\換行符\回車等
//Date:2006-06-20
//@Param String(str)
//@Return String
//Begin
function rtrim(str) {
var pattern = new RegExp("[\\s]+$","gi");
return str.replace(pattern,"");
}
//End

//String函數(shù)之Trim(),用于清除字符串開(kāi)頭和結(jié)尾部分的空格\換行符\回車等
//組合調(diào)用LTrim(str)和RTrim(str)函數(shù)
//Date:2006-06-20
//@Param String(str)
//@Return String
//Begin
function trim(str) {
return rtrim(ltrim(str));
}
//End