DEDECMS自定义表单

先贴出js代码
 php验证$email = “tanklo_–vehy@yahoo.com.cn”;
    function check_email($email) {
       $pattern_test = “/([a-z0-9]*[-_.]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[.][a-z]{2,3}([.][a-z]{2})?/i”;
       return  preg_match($pattern_test,$email);
    }
echo check_email($email);