def _compile_tag_re(self):
        """
        Compile regex strings from queue_tag_re option and return list of compiled regex/tag pairs
        """
        queue_tag_list = []
        for regex_str, tags in iteritems(self._queue_tag_re):
            try:
                queue_tag_list.append([re.compile(regex_str), [t.strip() for t in tags.split(',')]])
            except TypeError:
                log.warning('{} is not a valid regular expression and will be ignored'.format(regex_str))
        return queue_tag_list