code: def exclude(requestContext, seriesList, pattern):
      
      regex = re.compile(pattern)
      return [s for s in seriesList if not regex.search(s.name)]
docs: Takes a metric or a wildcard seriesList, followed by a regular expression
      in double quotes.    Excludes metrics that match the regular expression.
  
      Example::
  
          &target=exclude(servers*.instance*.threads.busy,"server02")