From: Robert Klemme <bob.news@...>
Date: 2004-05-12T16:38:54+09:00
Subject: Re: Strange regexp behaviour in gsub


"Florian Gross" <flgr@ccan.de> schrieb im Newsbeitrag
news:2gd8f2F1gphmU1@uni-berlin.de...
> Kristof Bastiaensen wrote:
>
> > Yes, that would clarify the situation, but is it the correct
> > behaviour?  I would think that (?!a)a doesn't mean the same
> > character, but consecutive ones.  Because it doesn't consume
> > the character, it effectively is the character 'before' the
> > match (if any).  The other behaviour wouldn't make sense,
> > because (?!a)b is then exactly the same as b.
>
> I think that it's the intended behavior. Just use /(?!a).b/ if you want
> to consume the character.

I'd use /[^a]b/ if I wanted to consume the character.  No need for
negative lookahead here.

    robert