From: "Jesús Gabriel y Galán" <jgabrielygalan@...>
Date: 2012-04-10T02:39:12+09:00
Subject: Re: How to pull out specific part of a variable and set to another variable?

On Mon, Apr 9, 2012 at 7:28 PM, Charlie B. <lists@ruby-forum.com> wrote:
> I have a variable that is a long string.  The variable looks like this:
>
> "this sentence is my variable and the important information is {inside
> these brackets}"
>
> The information I need is the information inside the brackets including
> the brackets themselves, as the brackets are required for when I need to
> reuse this information.  How do I pull out just that piece?  It will
> ALWAYS be in brackets and be the only brackets in that variable.

You can try the String#[] method and a regular expression to look for
the brackets and what's inside. For example:

s = "asdl­kmlsdmflkm­flk elfm lwemf­ le {asdf­sdf sdfds­f} asdf df "
=> "asdlkmlsdmflkmflk elfm lwemf le {asdfsdf sdfdsf} asdf df "
> s[/{[^}]+}­/]
=> "{asdfsdf sdfdsf}"

Jesus.