Re: [PATCH] gnulib-tool.py: Follow gnulib-tool changes, part 51.

[Bruno Haible]

Hi Collin,

> The POSIX BRE vs. ERE along with backreferences, assertions, lazy vs.
> greedy matching allowed by some languages adds multiple layers of
> complexity which starts to hurt my brain. :)

Yes, the many variants of regular expressions are complicated...

> The DFA module also looks pretty interesting to me.

Another GNU package in the same realm is GNU Bison. If you like regular
expression and automata theory, you will like GNU Bison as well.

Bruno