From: Robert Klemme <shortcutter@...>
Date: 2009-04-07T03:29:15+09:00
Subject: Re: getting the results of a simple regex

On 06.04.2009 19:12, Raimon Fs wrote:
> Hello,
> 
> 
> I'm playing for my very first time with Regex ...
> 
> I want to split some numbers, and get their results:
> 
> Given this string:
> 
> 18,04 2,89 20,93 2,71 18,22
> 
> I want to get every number before a comma, and two digits later, and all
> the groups.
> 
> I think it should work this way but I can only get the first result ...
> 
> 
> /(\d+,\d{2})/ =~ "18,04 2,89 20,93 2,71 18,22"
> => 0
>>> $1
> => "18,04"
>>> $2
> => nil
>>> $3
> => nil
>>> $4
> => nil
>>> $5
> => nil
> 
> 
> Playing with the http://www.rubular.com/ I can get the result that I
> want ...
> 
> I also tried the Regexp.last_match but I'm getting the same, only the
> first value ...
> 
> what I'm doing wrong ?

You do not use String#scan. :-)

Btw, you do not need the grouping as you want the complete match anyway.

Kind regards

	robert