!DOCTYPE html>
html lang="en">
head>
meta charset="UTF-8">
title>正则验证/title>
/head>
body>
input type="text" name="" id="text">
input type="button" name="" id="btn" value="点击">
span>/span>
/body>
script type="text/javascript">
var text = document.getElementById('text');
var btn = document.getElementById('btn');
//1、url示例：
//https://www.baidu.com/s?wd=%E5%88%98%E5%BE%B7%E5%8D%8Ersv_spt=1rsv_iqid=0x9601edc200017402issp=1f=8rsv_bp=1rsv_idx=2ie=utf-8rqlang=cntn=baiduhome_pgrsv_enter=1oq=javascript%2520%25E9%259A%25BE%25E9%25A2%2598inputT=1256rsv_t=7da5GmMhTie86h8qaOiaV047P9TkJunMjrkmK%2BNLA%2FuJs3bMG%2Bj52w%2F6IxHge5MB%2B%2B%2Fwrsv_pq=c270d50b00019caersv_sug3=21rsv_sug1=19rsv_sug7=100rsv_sug2=0rsv_sug4=1818
//2、电话示例：
//13800138000
//+ 8610 - 59926666
//+ (1)533- 222 - 334
//010 - 59926666
//037132376865
//3、电子邮件示例：
//Handsome.W@abc.com
//_hello_world@163.com
//345@mail.some_domain_name.com.uk
// var regexp=/^([0-9a-zA-Z_.-])+@([0-9a-zA-Z_-])+(\.([a-zA-Z_-])+)+$/;//邮箱
// var regexp=/(https?.*?\.(:?cn\b|com\b|net\b|org\b|gov\b)(?!\.))/;//URL
// var regexp=/\+?\d{3,4}-?\d{7,8}/; // 010-59926666 8610-59926666 037132376865
// var regexp =/\+\(\d\)(\d{3}-){2}\d{3}/;//+(1)533-222-334
// var regexp=/(1[34578]\d{9})|(\+?\d{3,4}-?\d{7,8})|(\+\(\d\)(\d{3}-){2}\d{3})/;//电话号码 13800138000 010-59926666 8610-59926666 037132376865 +(1)533-222-334
var regexp=/(([0-9a-zA-Z_.-])+@([0-9a-zA-Z_-])+(\.([a-zA-Z_-])+)+)|((https?.*?\.(:?cn\b|com\b|net\b|org\b|gov\b)(?!\.)))|(1[34578]\d{9})|(\+?\d{3,4}-?\d{7,8})|(\+\(\d\)(\d{3}-){2}\d{3})/;
btn.onclick = function(){
if(regexp.test(text.value)){
alert('验证通过');
text.value="";
}else{
alert('验证没通过');
}
}
/script>
/html>