//String函数之LTrim(),用于清除字符串开头的空格\换行符\回车等
//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函数之RTrim(),用于清除字符串结尾的空格\换行符\回车等
//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函数之Trim(),用于清除字符串开头和结尾部分的空格\换行符\回车等
//组合调用LTrim(str)和RTrim(str)函数
//Date:2006-06-20
//@Param String(str)
//@Return String
//Begin
function trim(str) {
return rtrim(ltrim(str));
}
//End