str为要去除空格的字符串:
去除所有空格:
str = str.replace(/\s+/g,"");
去除两头空格:
str = str.replace(/^\s+|\s+$/g,"");
去除左空格:
str=str.replace( /^\s*/, '');
去除右空格:
str=str.replace(/(\s*$)/g, "");
- SCRIPT LANGUAGE="JavaScript">
- <!--
- //出处:网上搜集
- // Trim() , Ltrim() , RTrim()
- String.prototype.Trim = function()
- {
- return this.replace(/(^\s*)|(\s*$)/g, "");
- }
- String.prototype.LTrim = function()
- {
- return this.replace(/(^\s*)/g, "");
- }
- String.prototype.RTrim = function()
- {
- return this.replace(/(\s*$)/g, "");
- }