From: yermej <yermej@...>
Date: 2008-01-11T05:45:11+09:00
Subject: Re: string extraction

On Jan 10, 2:38 pm, Li Chen <chen_...@yahoo.com> wrote:
> Hi all,
>
> What is the Ruby way to extract a string like this?
>
> old_string="5'-AAAAAAAA    CCCCCCCC  TTT   GGGGG    GGGG-3'"
> new_string="AAAAAAAACCCCCCCCTTTGGGGGGGGG"
>
> Thank you very much,
>
> Li
> --
> Posted viahttp://www.ruby-forum.com/.

new_string = old_string.gsub(/[^A-Z]/, '')

That substitutes '' (empty string) for any character that is not (^) a
capital letter (A-Z).

To do the same thing in place: old_string.gsub!(/^A-Z]/, '')