code: def remove_regex(urls, regex):
      
  
      if not regex:
          return urls
  
      # To avoid iterating over the characters of a string
      if not isinstance(urls, (list, set, tuple)):
          urls = [urls]
  
      try:
          non_matching_urls = [url for url in urls if not re.search(regex, url)]
      except TypeError:
          return []
  
      return non_matching_urls
docs: Parse a list for non-matches to a regex.
  
      Args:
          urls: iterable of urls
          regex: string regex to be parsed for
  
      Returns:
          list of strings not matching regex