From: Martin DeMello <martindemello@...>
Date: 2011-01-24T03:11:16+09:00
Subject: Re: How to convert letters to uppercase?

On Sun, Jan 23, 2011 at 11:24 PM, Richard Sandoval <skolopen@yahoo.com> wrote:
> Im unfamiliar with regular expressions.
>
> How would I be able to change all letters to uppercase to the first
> period?
>
> Before:
>
> helpuser01.hello.txt
>
>
> After:
>
> HELPUSER01.hello.txt

ruby-1.9.2-p0 > a = "helpuser01.hello.txt"
 => "helpuser01.hello.txt"
ruby-1.9.2-p0 > a.sub(/.*?\./) {|m| m.upcase}
 => "HELPUSER01.hello.txt"

martin