function hasRegexp()
	{
		if ( !is_null( $this->attribute('passwordvalidationregexp' ) ) &&
			( $this->attribute( 'passwordvalidationregexp' ) != self::NOT_DEFINED ) &&
			( $this->attribute( 'passwordvalidationregexp' ) != '' ) )
		{
			return true;
		}
		else
		{
		    return false;
		}
	}