From: Robert Klemme <shortcutter@...>
Date: 2010-01-04T22:05:05+09:00
Subject: Re: how to capture all conditions using regex

On 01/04/2010 09:33 AM, Ruby Newbee wrote:
> Thanks all for the quick response.
> In perl there is a "/g" option which can be used for multi-matching.
> 
> # perl -le '$x="123 456 789"; @x=$x=~/\d{3}/g; print "@x"'
> 123 456 789
> 
> I try to find ruby's instead one, but never thought there is already a
> scan method available.

Note that even with #scan you have two options: you can either take the 
Array returned or use the block form to do something whenever a match 
occurs:

> irb(main):004:0> s = "123 456 789"
> => "123 456 789"
> irb(main):005:0> s.scan /\d+/
> => ["123", "456", "789"]
> irb(main):006:0> s.scan /\d+/ do |match| p match end
> "123"
> "456"
> "789"
> => "123 456 789"

Kind regards

	robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/