tips for writing regular expression interpreter/compiler?

"Derek Haas" <derekhaas@gmail.com>
26 Nov 2005 00:22:20 -0500

          From comp.compilers

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From: "Derek Haas" <derekhaas@gmail.com>
Newsgroups: comp.compilers
Date: 26 Nov 2005 00:22:20 -0500
Organization: http://groups.google.com
Keywords: lex

Hi,


I am trying to implement a small subset of the regular expression
languages found in perl/python/et cetera (maybe just Kleene closure
and alternation for now). I hope to use this as a learning experience
which I can use to work on a larger scale project of a similiar
nature.


  Does anyone have any ideas on where to start with this? Or any
specific things to read? I've taken a course on compilers and
interpreters at my university, but I am not sure how useful that was
beyond a theoretical standpoint.


Thanks,
Derek
[There's plenty of source code you can read, starting with Henry Spencer's
widely used regexp library. -John]



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