Row 0:
  Column match_index: 0
  Column capture_index: 0
  Column capture_name: (null)
  Column capture_count: 2
  Column range_start: 1
  Column range_stop: 8
  Column    content: foo bar
Row 1:
  Column match_index: 0
  Column capture_index: 1
  Column capture_name: word
  Column capture_count: 2
  Column range_start: 5
  Column range_stop: 8
  Column    content: bar