code: def _replace_series_name(seriesname, replacements):
      
      for pat, replacement in six.iteritems(replacements):
          if re.match(pat, seriesname, re.IGNORECASE | re.UNICODE):
              return replacement
      return seriesname
docs: Performs replacement of series name.
  
      Allow specified replacements of series names in cases where default
      filenames match the wrong series, e.g. missing year gives wrong answer,
      or vice versa. This helps the TVDB query get the right match.