摘要：原文地址：去除空格的js 和 使用正则表达式替换1.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, "");}2.全文匹配替换var regExp = n 阅读全文