/**
* Executes the real validation so it can be reused.
* @param mixed $value The value to validate.
* @return boolean Whether the value pass the validation.
*/
protected function doValidate($value)
{
if ($this->isEmpty($value)) {
return true;
}
return !parent::doValidate($value);
}
/**
* Creates a new Alpha Validator.
*/
public function __construct()
{
parent::__construct('/^[a-z ]+$/i');
}