From: Joel VanderWerf <vjoel@...>
Date: 2005-03-17T14:08:17+09:00
Subject: Re: regex question

Joe Van Dyk wrote:
> I have a lot of code that looks like this:
> 
> line = "some line of stuff"
> line =~ /regex stuff here/
> if $1; result = $1; end
> 
> Generally, I'm checking to see if a given regex exists in a string and
> I usually want to save some stuff from it.

"foo bar"[/foo/]
=> "foo"

works nice for this.

Also:

"foo bar"[/\w+ (\w+)/, 1]
=> "bar"

Also, String#scan, if you don't know how many matches to look for.