From: Brian Candler <B.Candler@...>
Date: 2007-02-09T21:10:02+09:00
Subject: Re: Problem with Base64 decoding

On Fri, Feb 09, 2007 at 09:01:20PM +0900, alexander wrote:
> i just needed to [3..-1] that out of the way and everything works
> perfectly now... (crossing my fingers now that the app that�s producing
> those files doesn�t put illegal characters somewhere in the middle of
> the files, but that hasn�t happened yet.)

Maybe just gsub! everything else out. Untested:

   gsub!(/[^A-Za-z0-9+\/=]/, '')