code: def _match_tag_regex(self, event_tag, search_tag):
          '''
          Check if the event_tag matches the search check.
          Uses regular expression search to check.
          Return True (matches) or False (no match)
          '''
          return self.cache_regex.get(search_tag).search(event_tag) is not Nonf _match_tag_regex(self, event_tag, search_tag):
          '''
          Check if the event_tag matches the search check.
          Uses regular expression search to check.
          Return True (matches) or False (no match)
          '''
          return self.cache_regex.get(search_tag).search(event_tag) is not None
docs: Check if the event_tag matches the search check.
          Uses regular expression search to check.
          Return True (matches) or False (no match)