From: Robert Klemme <shortcutter@...>
Date: 2010-10-12T22:17:17+09:00
Subject: Re: Help with regexp's

On Tue, Oct 12, 2010 at 3:11 PM, Thiago Massa <thiagown@gmail.com> wrote:
> Is there any way to a regexp allow any character but the comma?

Use a negated character class [^,] or use negated matching !~.

> My regexp is getting ugly like /(\x2E|\x3A|\x27|\x28|\x29|\x2D|\x21|\x2B)*/
> and so on(i ommited the real one for the love of god)
>
> I'm even thinking about implementing it myself like
>
> if not comma
>  pass
> else
>  not_pass
> end
>
> isn't there a way to extend the way ruby deals with regexp and make
> something like "/everythingbutnotcomma" mean what i want?

What exactly are you trying to achieve with matching?  Do you want to
make sure there is no comma in a sequence or do you want to do
substitutions?

> I'm sorry of my lack of knowledge about regexps... I'm trying to really
> learn it once and for all.

I highly recommend "Mastering Regular Expressions".

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/