正则经验
电子邮箱
var myreg = /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/;
!myreg.test(mailvalue)
电话
/^1[3|4|5|7|8]\d{9}$/
id地址
((?:(?:25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d)))\.){3}(?:25[0-5]|2[0-4]\d|((1\d{2})|([1-9]?\d))))
去掉多行注释
\/\*\*(.|\n)*?\*\/
身份证验证
function checkId(pId){
var arrVerifyCode = [1,0,"x",9,8,7,6,5,4,3,2];
var Wi = [7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];
var Checker = [1,9,8,7,6,5,4,3,2,1,1];
if(pId.length != 15 && pId.length != 18) return false;
var Ai=pId.length==18 ? pId.substring(0,17) : pId.slice(0,6)+"19"+pId.slice(6,16);
if (!/^\d+$/.test(Ai)) return false;
var yyyy=Ai.slice(6,10) , mm=Ai.slice(10,12)-1 , dd=Ai.slice(12,14);
var d=new Date(yyyy,mm,dd) , now=new Date();
var year=d.getFullYear() , mon=d.getMonth() , day=d.getDate();
if (year!=yyyy || mon!=mm || day!=dd || d>now || year<1940) return false;
for(var i=0,ret=0;i<17;i++) ret+=Ai.charAt(i)*Wi[i];
Ai+=arrVerifyCode[ret %=11];
return pId.length ==18 && pId != Ai ? false : true;
}