docs: def ask_for_board_id(self):
          """Factored out in case interface isn't keyboard"""
          board_id = raw_input("paste in board id or url: ").strip()
          m = re.search(r"(?:https?://)?(?:trello.com)?/?b?/?([a-zA-Z]{8})/(?:.*)", board_id)
          if m:
              board_id = m.group(1)
          return board_id