[Haskell-cafe] Parsing words with parsec
paolo.veronelli at gmail.com
Fri Mar 30 05:34:22 EDT 2007
On 3/30/07, Stefan O'Rear <stefanor at cox.net> wrote:
> On Fri, Mar 30, 2007 at 05:43:34AM +0200, paolino wrote:
> > Hi,
> > I had a bad time trying to parse the words of a text.
> > I suspect I miss some parsec knowledge.
> I'd start by not sextuple-posting, it just sextuples the ugliness ;-)
Mhh, still I don't see any them in my inbox mails , probably something
buggy in gmail configuration, sorry :/.
> import Char( isAlpha )
> import List( groupBy )
> equating f x y = f x == f y -- in Data.Eq, iff you have GHC 6.7
> isLetter x = isAlpha x || x == '_' || x == '@'
> myWords = filter (isLetter . head) . groupBy (equating isLetter)
Testing your code, it misses the words with numbers inside exclusion
and uses the number as separators.
["paolo at gmail","sara","mimmo","ab","a","b","ab","cd"]
More information about the Haskell-Cafe