Re: [Haskell-cafe] Re: ANN: weighted-regexp-0.1.0.0

On 27 jul 2010, at 09:30, Eugene Kirpichov wrote:

Perhaps this might mean that we can get incremental and parallel regexp matching by associating each character with a linear operator

This is exactly what is happening in the uu-parsinglib. Doaitse

(matrix) over this or related semiring, or something, and mixing that with two sigfpe's articles: http://blog.sigfpe.com/2008/11/approach-to-algorithm-parallelisation.html http://blog.sigfpe.com/2009/01/fast-incremental-regular-expression.html

2010/7/27 Sjoerd Visscher :

...

On Jul 27, 2010, at 7:09 AM, Sebastian Fischer wrote:

...

I'll add

noMatch :: RegExp c noMatch = psym "[]" (const False)

Oh, by the way, with noMatch, eps, alt and seq_ RegExp is itself a Semiring, but I'm not sure what that would do. -- Sjoerd Visscher http://w3future.com

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-- Eugene Kirpichov Senior Software Engineer, Grid Dynamics http://www.griddynamics.com/ _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe