手机验证

//手机号正则 匹配13* 15* 18* 号段

        $mobile = 13500000000;
        $preg = "/^13[0-9]{1}[0-9]{8}$|15[0-9]{1}[0-9]{8}$|18[0-9]{1}[0-9]{8}$/";
        if(preg_match($preg,$mobile)){
            return true;
        }else{
            return false;
        }