Formal\Form::validateTokenid PHP Method

validateTokenid() public method

public validateTokenid ( $sValue, Morphology $oMorpho, Element $oElement )
$oMorpho Formal\Form\Morphology
$oElement Element
    function validateTokenid($sValue, \Formal\Form\Morphology $oMorpho, \Formal\Element $oElement)
    {
        if (!preg_match("/^[a-z0-9\\-_]+\$/", $sValue)) {
            return "<strong>" . $oElement->option("label") . "</strong> is not valid. Allowed characters are digits, lowercase letters, the dash and underscore symbol.";
        }
        return true;
    }