From: Jason Sweat <jason.sweat@...>
Date: 2004-11-05T11:41:07+09:00
Subject: Re: recursive brace matching with Ruby regexp

On Fri, 5 Nov 2004 10:39:11 +0900, Bill Kelly <billk@cts.com> wrote:
> repl = []
> true while dat.gsub!(/\([^(){}]*\)|\{[^(){}]*\}/) do |str|
>   repl.push(str)
>   "\0#{repl.length - 1}\0"
> end
> dat.scan(/class\s+\w+\s+\0\d+\0/) do
>   match = $&
>   true while match.gsub!(/\0(\d+)\0/) { repl[$1.to_i] }
>   puts "Your class matched:", match
> end
> 
> The above matches arbitrarily deeply nested ( ) and { }
> blocks... but all the "classes" it matches have to be
> at toplevel, can't be inside a { } or ( ) themselves...
> 
> In case it's not obvious how it works... It replaces,
> from innermost to outermost, () and {} spans with a
> token, and saves the original span in an array.

Thanks Bill,

I think I see how that works.  I will play with it and see if it
solves my problem.  I knew there had to be a much cleaner way than
what I was doing :)

Regards,
Jason
-- 
http://blog.casey-sweat.us/