docs: def _parse_input(incoming):
      """Performs the actual conversion of tags to ANSI escaped codes.
  
      Provides a version of the input without any colors for len() and other methods.
  
      Positional arguments:
      incoming -- the input unicode value.
  
      Returns:
      2-item tuple. First item is the parsed output. Second item is a version of the input without any colors.
      """
      codes = dict((k, v) for k, v in _AutoCodes().items() if '{%s}' % k in incoming)
      color_codes = dict((k, '' if _AutoCodes.DISABLE_COLORS else '\033[{0}m'.format(v)) for k, v in codes.items())
      incoming_padded = _pad_input(incoming)
      output_colors = incoming_padded.format(**color_codes)
  
      # Simplify: '{b}{red}' -> '\033[1m\033[31m' -> '\033[1;31m'
      groups = sorted(set(_RE_GROUP_SEARCH.findall(output_colors)), key=len, reverse=True)  # Get codes, grouped adjacent.
      groups_simplified = [[x for n in _RE_NUMBER_SEARCH.findall(i) for x in n.split(';')] for i in groups]
      groups_compiled = ['\033[{0}m'.format(';'.join(g)) for g in groups_simplified]  # Final codes.
      assert len(groups_compiled) == len(groups)  # For testing.
      output_colors_simplified = output_colors
      for i in range(len(groups)):
          output_colors_simplified = output_colors_simplified.replace(groups[i], groups_compiled[i])
      output_no_colors = _RE_SPLIT.sub('', output_colors_simplified)
  
      # Strip any remaining color codes.
      if _AutoCodes.DISABLE_COLORS:
          output_colors_simplified = _RE_NUMBER_SEARCH.sub('', output_colors_simplified)
  
      return output_colors_simplified, output_no_colors