/** * 检测邮箱格式是否正确 * @param type $email * @return boolean */function isEmail($email) { $chars = "/^([a-z0-9+_]|\\-|\\.)+@(([a-z0-9_]|\\-)+\\.)+[a-z]{2,5}\$/i"; if (strpos($email, '@') !== false && strpos($email, '.') !== false) { if (preg_match($chars, $email)) { return true; } else { return false; } } else { return false; }} 
