equal
deleted
inserted
replaced
630 complementation, something which Gasarch in his |
630 complementation, something which Gasarch in his |
631 blog\footnote{\url{http://goo.gl/2R11Fw}} assumed can only be |
631 blog\footnote{\url{http://goo.gl/2R11Fw}} assumed can only be |
632 shown via automata. Even sombody who has written a 700+-page |
632 shown via automata. Even sombody who has written a 700+-page |
633 book\footnote{\url{http://goo.gl/fD0eHx}} on regular |
633 book\footnote{\url{http://goo.gl/fD0eHx}} on regular |
634 exprssions did not know better. Well, we showed it can also be |
634 exprssions did not know better. Well, we showed it can also be |
635 done with regular expressions only.\footnote{\url{http://www.inf.kcl.ac.uk/staff/urbanc/Publications/rexp.pdf}} |
635 done with regular expressions only.\footnote{\url{http://nms.kcl.ac.uk/christian.urban/Publications/posix.pdf}} |
636 What a feeling when you are an outsider to the subject! |
636 What a feeling when you are an outsider to the subject! |
637 |
637 |
638 To conclude: Despite my early ignorance about regular expressions, I |
638 To conclude: Despite my early ignorance about regular expressions, I |
639 find them now very interesting. They have a beautiful mathematical |
639 find them now very interesting. They have a beautiful mathematical |
640 theory behind them, which can be sometimes quite deep and which |
640 theory behind them, which can be sometimes quite deep and which |