From: Richard Conroy <richard.conroy@...>
Date: 2008-12-18T21:01:05+09:00
Subject: Re: Hopefully simple regex

On Wed, Dec 17, 2008 at 10:37 PM, stephen O'D
<stephen.odonnell@gmail.com> wrote:
>
>>
>> Try this:
>>
>>    @regex = /(?:^|\s)(@\w+)/
>>
>> David
>
> Perfect - I didn't know you could (or even think to try) putting the
> 'start of string' anchor inside a group with an alternative!  At least
> I have learned something from the last hour of trying!
>

http://www.rubular.com is an awesome way of composing and testing ruby
regular expressions. Highly recommended.