function isIp(arg_ip)
{
var exp=/^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$/;
var reg = arg_ip.match(exp);
if(reg==null)
{
return false;
}
return true;
}
ip正则表达式验证
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转载自blog.csdn.net/shannon8/article/details/72911072
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