code: def with_color_stripped(f):
      
      @wraps(f)
      def colored_len(s):
          s2 = re.sub(
              COLOR_BEGIN_RGX + '(.*?)' + COLOR_END_RGX,
              lambda m: re.sub(COLOR_BEGIN_RGX, '', m.group(1)),
              s,
          )
          if re.search(COLOR_BEGIN_RGX, s2):
              raise UnterminatedColorError(s)
          return f(re.sub(COLOR_END_RGX, '', s2))
      return colored_len
docs: A function decorator for applying to `len` or imitators thereof that strips
      ANSI color sequences from a string before passing it on.  If any color
      sequences are not followed by a reset sequence, an `UnterminatedColorError`
      is raised.