[Haskell-cafe] regex and Regular Expressions Libraries
adam at bergmark.nl
Fri Mar 10 19:31:55 UTC 2017
The combination of parser combinators and the old regex libraries have
meant I've avoided regexes as much as possible.
regex looks very promising so I'm sure to try it out next time i need
Will you add regex to stackage? Having to muck around with extra-deps gets
tiring. I would also like to see Text support, but having to pack/unpack
wouldn't be a dealbreaker for me.
Have you considered doing anything fancy to make capture groups safer to
use? If i could get a compile error when i'm using the wrong number/wrongly
named groups I'd be very excited.
On Fri, 10 Mar 2017 at 19:06 Chris Dornan <chris at chrisdornan.com> wrote:
> I must correct myself. I said:
> > Being able to recover the text of the REs would be great and I would
> like to include
> > it in a future release, but again that will need some coordination with
> the regex-base
> > maintainers.
> Sorry, that isn’t right at all. Regex already allows you to recover the
> text from a compiled
> RE via the reSource function:
> reSource :: RE -> String
> Evans said:
> > Nowadays I inherit that from pcre-heavy, but of course if you're
> > already on another backend then maybe not so simple.
> Yes, regex is built on top of regex-base and the regex-tdfa + regex-pcre
> back ends.
> > but you know tradition hangs heavy
> Indeed so!
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