protected function isFilter($tokenId)
	{
		$filterName = rtrim($tokenId, '0123456789');

		if (in_array($filterName, $this->unfilteredTokens, true))
		{
			return true;
		}

		// Try to load the filter
		try
		{
			if ($this->configurator->attributeFilters->get('#' . $filterName))
			{
				return true;
			}
		}
		catch (Exception $e)
		{
			// Nothing to do here
		}

		return false;
	}