js 正则表达式,匹配邮箱/手机号/用户名

<!DOCTYPE html>

<html>

<head>

	<meta charset="UTF-8">

	<title>邮箱匹配</title>

</head>

<body>

	手机号:<input type="text" id="texts"><br \>

	邮箱:<input type="text" id="shouji" onblur='func(this)'>

	<script type="text/javascript">

	    //获取输入的手机号

		var texts = document.getElementById('texts');

		//获取输入的邮箱

		var shouji1 = document.getElementById('shouji');

		//手机号输入框失去焦点

		texts.onblur = function(){

			var tv = this.value;

			var reg = /^1[345789]\d{9}$/;

			if (reg.test(tv)){

				alert('Yes')

			}else{

				alert('No')

			}

		}

		//console.log(str);

		//邮箱输入框失去焦点

		function func(obj){

			var tv = obj.value;

			var reg = /^\w+\@+[0-9a-zA-Z]+\.(com|com.cn|edu|hk|cn|net)$/;

			if(reg.test(tv)){

				alert('邮箱格式正确');

			}else{

				alert('邮箱格式不正确')

			}

		}

		var as = '<a href="http://www.sina.com.cn">sina</a>'

		var reg = /<a href="(.*)">(.*)<\/a>/;

		var str = reg.exec(as);

		console.log(str);

	</script>

</body>

</html>