Flowdock
matched_size() public

Returns the size of the most recent match (see #matched), or nil if there was no recent match.

  s = StringScanner.new('test string')
  s.check /\w+/           # -> "test"
  s.matched_size          # -> 4
  s.check /\d+/           # -> nil
  s.matched_size          # -> nil
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