From: Robert Klemme <shortcutter@...>
Date: 2012-07-22T00:12:08+09:00
Subject: Re: How to replace plain strings?

On Thu, Jul 19, 2012 at 8:03 PM, Albert Schlef <lists@ruby-forum.com> wrote:

> I finally solved my problem by doing:
>
>   "a b c".sub("b") { "believe\\+me" }
>
> But I wonder if this is the "best" Ruby has to offer for my very humble
> demands.

It's usually slower.  The intended use of the block form is where
calculations need to be done for each replacement.  That's not the
case here.  Please see Brian's excellent explanation of how it's done
without block and why so many backslashes are needed.

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/