From: Jeff Wood <jeff.darklight@...>
Date: 2005-11-26T09:24:41+09:00
Subject: Re: String#to_rx ?

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I believe the Facets project already contains a method like this for String
objects.

facets.rubyforge.org

j.

On 11/24/05, Nikolai Weibull <mailing-lists.ruby-talk@rawuncut.elitemail.or=
g>
wrote:
>
> Alex Fenton wrote:
>
> > Possible RCR: would anyone else find this a useful addition to the
> > core
> >
> > class String
> >  def to_rx
> >    Regexp.new( Regexp.escape(self) )
> >  end
> > end
> >
> > as a more straightforward & readable alternative to interpolation:
> >
> > /#{Regexp.escape(a_string)}/
> >
> > I turned up a few references to this sort of thing in ruby code on the
> > web.
>
> Please, everyone read http://www.perl.com/pub/a/2002/06/04/apo5.html and
> let's use that as a base for regexes in Ruby 2.  Trying to put a string
> literal in a regex shouldn't be hard and Ruby should just "do the right
> thing" for you.  I think that regular expressions have been grossly
> misused in a lot of places and a lot of ways in the applications of
> computer science.  I realize that we can't go back, but to be able to go
> forward, perhaps we need to stop and look around - more and more
> metacharacters, funky escapes, and so on isn't sustainable in the long
> run.  Apocalypse 5 is a good base and I think that a lot of nice things
> can come out of it (well, we're here, three years later, and still
> nothing, but bear with me).
>
> I also want a way to feed data to a regular expression for christmas, so
> if you're into the whole thing of "the joy of giving", then I'm
> certainly into the whole thing of "the joy of receiving".
>
>         nikolai
>
> --
> Nikolai Weibull: now available free of charge at http://bitwi.se/!
> Born in Chicago, IL USA; currently residing in Gothenburg, Sweden.
> main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}
>
>


--
"Remember. Understand. Believe. Yield! -> http://ruby-lang.org"

Jeff Wood

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