[Haskell-cafe] Regular Expression Parsing via derivatives

[Christian Maeder]

Am 01.08.2011 17:51, schrieb Alex Clemmer:
> Hi Haskell people,
>
> I've been snooping through various mailing lists and the current Haskell
> implementation of regular expressions and I was wondering if there has
> been a discussion about implementing regex parsing with derivatives. If
> so, I haven't seen it. If not, I'd like to have a discussion about it --
> if for no other reason than to decide whether I should implement it as a
> library, or (to attempt to implement it) as a core feature.
>
> For those of you who don't know, recent work by Might and Darais
> <http://arxiv.org/abs/1010.5023> indicates that parsing CFGs can be done

The paper refers to http://hackage.haskell.org/package/derp

C.

> better (/i.e./, significantly faster) than more "traditional" approaches
> <http://swtch.com/%7Ersc/regexp/regexp1.html>. Might's presenting at
> ICFP later in September about it.
>
> I guess the first thing I should ask is, which mailing list is actually
> the right place to field this inquiry. I considered dropping it in the
> main haskell list, but wasn't sure how people would respond.
>
> --
> Alex
>
>
>
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