From: Martin Weber <Ephaeton@...>
Date: 2004-01-11T06:05:52+09:00
Subject: Re: regex to NOT match?

On Sun, Jan 11, 2004 at 05:57:17AM +0900, Ruby Baby wrote:
> Sorry it seems like the smallest thing, but I'm stuck on this.
> 
> I'm trying to make a simple regex to strip away characters that are NOT certain characters I name.
> I'm unclear on what Ruby uses as a "NOT" match in regex, like ! is for !=
> (Or if it uses the ^, where does it put it?)
> 
> EXAMPLE:
> 
> myString = 'I want only the letters a and t and period.  When done it should look like atttaatta.tatttaatta..'
> 
> # this doesn't work of course:
> puts myString.gsub(!/at\./, '')

puts myString.gsub(/[^at.]/, '')

-Martin