core-bundle/src/Resources/contao/widgets/TextStore.php
protected function validator($varInput)
	{
		if ($varInput == '*****')
		{
			$this->blnSubmitInput = false;

			return true;
		}

		return parent::validator($varInput);
	}
protected function validator($varInput)
	{
		if ($varInput == '*****')
		{
			$this->blnSubmitInput = false;

			return true;
		}

		return parent::validator($varInput);
	}
Ignore the field if nothing has been entered

@param mixed $varInput

@return mixed