正则表达式 判断 ip:端口 形式 

<html>
<head>
</head>
<body>
    
ip:port<input type="" name="zhzh" placeholder="ip:port" id="zhzh">
<button onclick="btn()" value="submit">test</button>

<script type="text/javascript">
      ip_ip = '(25[0-5]|2[0-4]\\d|1\\d\\d|\\d\\d|\\d)';
    ip_ipdot = ip_ip + '\\.';
    ip_port = '(:(\\d\\d\\d\\d|\\d\\d\\d|\\d\\d|\\d))?';
    isIPaddress = new RegExp('^'+ip_ipdot+ip_ipdot+ip_ipdot+ip_ip+ip_port+'$');
    function btn(){
        var inputValue=document.getElementById("zhzh").value;
        if (!isIPaddress.test(inputValue)) {
            console.log("wrong");
        }
    }
    //10.10.117.119 
</script>
</body>
</html>

 

posted @ 2016-07-19 22:26  永醉雨辰  阅读(8049)  评论(0)    收藏  举报