docs: def get_matches(self, word):
          """
          Get a list of filenames with match *word*.
          """
          matches = self.gen_matches(word)
          # defend this against bad user input for regular expression patterns
          try:
              matches = self.exclude_matches(matches)
          except Exception:
              sys.stderr.write(traceback.format_exc())
              return None
          else:
              if self.use_suffix:
                  matches = [self.inflect(match) for match in matches]
              return list(matches)