From: Jeff Grice <jeff.grice@...>
Date: 2007-01-26T23:31:42+09:00
Subject: Re: simple question about Ruby Regext

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try "banana".gsub(/an/, "ze")
=> "bzezea"

On 1/26/07, Peter Bailey <pbailey@bna.com> wrote:
>
> Alex Young wrote:
> > Peter Bailey wrote:
> >>
> >> This is driving me nuts. Why isn't the RUBY response "=>2?" There are
> >> two "an" stubs in "banana."
> > The number returned is the position of the start of match, not the
> > number of them.
> >
> >> I thought that RUBY, like PERL, is inherently greedy and it would find
> >> all instances of said regex expression.
> > It is...  there's only one match, and it matches everything from the
> > first 'a' to the end of the string.
> >
> > Hope this makes sense,
>
> Thanks, Gentlemen. I'll watch my spelling of Ruby and Perl from now on.
>
> I understand now that my match is only looking for the position. Cool.
> Thanks. But, . . ., here's a similar regex where I don't want the
> position, but I want to change all instances of the stub, and, it's only
> changing the first one.
>
> "banana".sub(/an/, "ze")
> => "bzeana"
>
> What's with that?
>
> -Peter
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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