Can you implement submatch tracking with a DFA? There is this: http://stackoverflow.com/questions/3287860/what-is-a-tagged-dfa http://stackoverflow.com/questio

Can you implement submatch tracking with a DFA? There is this: http://stackoverflow.com/questions/3287860/what-is-a-tagged-dfa http://stackoverflow.com/questions/3287860/what-is-a-tagged-... But when I looked, the code did not use it.