if ($this->_userName != "" && $this->_userName != $this->userData['user_name']) { if (!preg_check("/^[-0-9A-Z_@\s]+$/i", $this->_userName)) { $this->_setError("user_name", $locale['u120']); } else {
[-0-9A-Z_@\s]
[-0-9A-Z_@!#$\s]