var StringUtils = Class.create(); StringUtils.prototype = { initialize:function(){ }, isMobile : function(s){ var pattern = /^13|15\d{9}$/; return(pattern.test(s)); }, trim : function(s){//去掉首尾空格。 try{ return s.replace(/^\s+|\s+$/g,""); }catch(e){ return s; } }, formatTag : function(str){//去掉首尾空格，把中间多余的空格也去掉 var newstr,tmp; tmp=/\s+/g; newstr=str.replace(tmp," "); return newstr; }, checkLength :function(str,len,msg){ if (this.trim(str).length >len){ alert(msg); return false; } return true; }, isEmpty : function(str){ return this.trim(str).length <=0; }, isMail : function (mail) { //return (new RegExp(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/).test(mail)); return (new RegExp(/^([a-zA-Z0-9_\.-]+)@([\da-zA-Z\.-]+)\.([a-zA-Z\.]{2,6})$/).test(mail)); }, isNum : function (num){ return !isNaN(num); }, isInteger : function(num){ return (new RegExp(/^[0-9]*$/).test(num)); }, toBytes :function(str){ var message_length = 0; for(var i=0; i127 || str.charCodeAt(i)==94){ message_length += 2; }else if(/[\x00-\xFF]/.test(str.charCodeAt(i))){ message_length ++; }else{ message_length += 2; } } return message_length; }, getCookies : function (str){ var tmp,reg=new RegExp("(^| )"+str+"=([^;]*)(;|$)","gi"); if(tmp=reg.exec(document.cookie)){ return unescape(tmp[2]);} return ""; }, getXmlElementByTagName:function(element,tagName){ var childElement = element.getElementsByTagName(tagName)[0]; return childElement.text != undefined ? childElement.text : childElement.textContent; }, isWord : function (word){ //中文数字字符下划线 var re = /[\u4e00-\u9fa5]|[\d]|[\w]|[_]/; var temp = true; for(var i=0;i