[Haskell] regular expression syntax - perl ain't got nothin on haskell

Graham Klyne GK at ninebynine.org
Wed Feb 25 21:47:41 EST 2004


At 17:24 24/02/04 +0000, Simon Marlow wrote:
>
> > At 18:07 23/02/04 -0800, John Meacham wrote:
> > >It provides regular and monadic versions, a very overloaded
> > and useful
> > >interface, as well as extensibility. although currently the only
> > >instance  is based on Text.Regex, it generalizes to matching lists of
> > >arbitrary type, not just strings, and also leaves the door open for
> > >compile-time checked and optimized regular expressions via template
> > >Haskell.
> >
> > I have a concern here that I hope you won't see as a negative
> > response to
> > your ideas...
> >
> > I recently ran into some problems porting some Haskell code
> > to Windows
> > because it used the Text.Regex library, which is dependent on
> > a Unix-only system.
>
>Text.Regex works fine on Windows, at least on GHC.  It seems that Hugs
>doesn't make it available, perhaps because it requires an auxiliary C
>regex engine, which we provide as part of GHC.  It may be that this code
>isn't as portable as the rest of Hugs, which is why they don't provide
>it, but I'll let the Huge folks comment on that.

Ah, yes, maybe so.  The last communication I have on this is:
   http://www.haskell.org//pipermail/hugs-bugs/2004-January/001465.html

#g


------------
Graham Klyne
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