js正则验证IP地址

function IP2V() {
var ip = "192.68.23.6.36" ;
var re =  /^((1?/d?/d|(2([0-4]/d|5[0-5])))/.){3}(1?/d?/d|(2([0-4]/d|5[0-5])))$/
alert("ip:" + re.test(ip));

}

 

来自:http://bybed.iteye.com/blog/632740

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