javascript 正则 验证 第25节 

<html>
<head>
	<title>Form对象</title>
	<script type="text/javascript">
	       function $(id) {
                return document.getElementById(id);
		   }
	    
		  function checkPhone(num) {
            var reg = new RegExp("^1[358]\\d{9}$","gi"); //[0-9]   ^[a-z][a-f]$
			 //var reg = /^1[358]\d{9}$/gi;
			  alert(reg.test(num));

		  }

		  var s = "i like java you like Iava";
		  //var r =  new RegExp("java","gi");	
		  var r = /i/gi;
		  alert(s.replace(r,"*"));
	</script>	
	</head>
	<body >
	<div>正则对象</div>
		1.</br>
		 <form  action="事件.htm" method="GET" name="form1"  >
		 <table border="1" width="500px" cellpadding="5" cellspacing="0" align="left">
			 <tr>
				 <th colspan="2">注册表</th>
			 </tr>	     
			  <tr>
				 <td align="right">姓名:</td>
				 <td><input type="text" name="username" /></td>
			 </tr>
			  <tr>
				 <td align="right">手机号码:</td><td><input type="text" id="num" onblur="checkPhone(this.value)"/></td>
			 </tr>
			 
		 </table>
	   </form>
</body>
</html>

 rs:

posted @ 2015-08-21 13:44  影分身  阅读(101)  评论(0)  编辑  收藏  举报