<html>
<head>
<title>javascript正则表达式使用replace()替换手机号</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<script type="text/javascript" src="jquery-1.8.2.min.js"></script>
<script type="text/javascript">
$(function(){
$("button").click(function(){
var str = $("p").text();
var reg = /1(\d{2})\d{4}(\d{4})/g;
str = str.replace(reg,"1$1****$2");
$("p").text(str);
});
});
</script>
<style type="text/css">
h5{color:blue;}
</style>
</head>
<body>
<h5>把手机号第4位到第7位替换成****</h5>
<p>你的手机号是 13500112233<br />小猪的手机号是 13699887766 <br /> 大熊的手机号是 13810102222</p>
<button>点我替换</button>
</body>
</html>