From: MonkeeSage <MonkeeSage@...>
Date: 2006-10-04T21:55:11+09:00
Subject: Re: Using a Regexp to find a Hash Key?

Ken Collins wrote:
> def foobar
>    unless params.reject{ |k, v| k !~ /^foo_\d+$/ }.empty?
>      ...
>    end
> end

Hi Ken,

How about:

def foobar(params)
  if params.select { |k,v| k =~ /^foo_(\d+)$/ }
    p $1
  end 
end

Regards,
Jordan