From: Robert Klemme <bob.news@...>
Date: 2006-03-29T03:53:55+09:00
Subject: Re: Regexp gotcha

Pistos Christou wrote:
> Victor Shepelev wrote:
>> if match_result
>> ...
>> end
>>
>> because in Ruby only nil and false are "false", where any other value
>> (including 0, '' and []) are "true".
> 
> Yep, thank you to you and David.  I forgot that I could rewrite it like 
> that.
> 
> Kevin wrote:
>> You could just do this...
>> if string =~ /(\w)/
>>   #do something with $1
>> end
> 
> Well, in this particular case, I am using the Fixnum returned, which is 
> why I am making the assignment.  I normally otherwise do as you say, 
> using "if string =~ /regexp/".

Personally I prefer to use /rx/ =~ str over str =~ /rx/ - to me this 
makes it clearer that the RX is the one that does the matching.  Just 
personal taste maybe but I think I also remember that that variant is a 
tad faster.

Kind regards

	robert