From: Jagadeesh <mnjagadeesh@...>
Date: 2009-07-14T20:35:05+09:00
Subject: Re: a regex that does not contain comma

Why cann't you look for ,  only?

like str =~ /,/

You do not need to looks for what other characters are.

Thanks

On Jul 14, 3:48 pm, Axel Schmalowsky <aschmalow...@df.eu> wrote:
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> Sebastian Hungerecker wrote:
> > Am Dienstag 14 Juli 2009 12:01:23 schrieb Axel Schmalowsky:
> >> Trying the regexp /^[^,]*$/ fails with the code below:
> >> [...]
> >> Am I missing sth?
>
> > Your code expects the regex to match if the string contains a comma and
> not
> > match if the string does not contains a comma. That's the opposite of what
> > Justin's regex does and also the opposite of what the Sijo asked for.
> > Also if the goal had been to have the regex match if there is a comma /,/
> > would have sufficed as a regex.
> > Also note that with your regexp your code outputs "string does not
> contain a
> > comma" for the string ",".
>
> > HTH,
> > Sebastian
>
> Well, negative logic .. ;-)
>
> This regexp matches correctly if the string consists only of a comma:
>
> /(?>(?:\w+\s*)*(?=,))+/
>
> - --
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>
> Axel Schmalowsky
> Platform Engineer
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