From: Antonio Cangiano <acangiano@...>
Date: 2006-02-05T20:48:19+09:00
Subject: Re: Scanning a string for decimal numbers

Jeppe Jakobsen wrote:
> Hi all, how do you scan a string and avoid getting my decimal numbers
> divided into 2 numbers.
> 
> Example:
> 
> a = "24,4 + 55,2"
> a.scan! (/\d+/)
> puts a
> 
> my output for a will be:
> 24
> 4
> 55
> 2
> 
> But I want to keep my decimal numbers intact like this:
> 24,4
> 55,2
> 
> 
> How do I solve this problem without putting the numbers into seperate
> strings?

Hi Jeppe,
you can use the following:

a.scan /[-+]?[0-9]*\,?[0-9]+/

which will take care of negative numbers as well.

HTH,
Antonio
-- 
Zen and the Art of Ruby Programming
http://www.antoniocangiano.com