From: Robert Klemme <shortcutter@...>
Date: 2009-05-19T02:01:30+09:00
Subject: Re: Sorting numbers as strings

On 18.05.2009 17:37, Rob Biedenharn wrote:

> If you do need to consider things like "FastEthernet..." v.  
> "GigabitEthernet...", then perhaps you want something like this which  
> breaks the original string into digits and non-digits and converts the  
> digits to be integers.
> 
> puts DATA.sort_by {|s| s.scan(/\d+|\D+/).map {|x| x =~ /\d+/ ?  
> x.to_i : x } }

Good point!  Here's an interesting variant:

puts DATA.sort_by {|s| s.scan(/(\d+)|\D+/).map { $1 ? $1.to_i : $& } }

Kind regards

	robert


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