From: SonOfLilit <sonoflilit@...>
Date: 2007-04-11T02:59:29+09:00
Subject: Re: Slow ruby regexes

Read wikipedia on Regex. It explains better than I can why one is used
over the other (more power).

For example, a regex was shown in this list lately that tells you if a
number is prime. That needs backtracking.


Aur

On 4/10/07, Emmanuel <emmanuel@lijasdoblea.com> wrote:
> Hello i've been reading this article, wich has a few benchmarks
> (inclding a ruby related one) and many theorical explanations of regex
> matching algorithms:
>
> http://swtch.com/~rsc/regexp/regexp1.html
>
> I became a little worried since i'm making hevy use of regexes in a
> program of mine that shortly i'll have to run on each of thousands of
> text files.
>
> * Do anyone now if what is said relates to ruby 1.8.6
> * If so, is it going to change ?
>
> Thank you!
>
> --
> Posted via http://www.ruby-forum.com/.
>
>