From: Ross Bamford <rossrt@...>
Date: 2006-03-13T17:23:56+09:00
Subject: Re: What's the best way to split this kind of string?

On Mon, 2006-03-13 at 16:58 +0900, Sam Kong wrote:
> Hi!
> 
> I'm trying to make a routine to make a Morris Number Sequence.
> (http://www.ocf.berkeley.edu/~stoll/number_sequence.html)
> I need to split a string in the following way, for example.
> 
> "111223133" => ["111", "22", "3", "1", "33"]
> 
> I can loop thru the string by each character, comparing with the
> previous character.
> But is there a quick and easy way?
> Probably a regular expression?

Maybe something like:

	s.scan(/(\d)(\1*)/).map! { |e| e.join }
	# => ["111", "22", "3", "1", "33"]

or:

	s.scan(/0+|1+|2+|3+|4+|5+|6+|7+|8+|9+/)
	# => ["111", "22", "3", "1", "33"]

-- 
Ross Bamford - rosco@roscopeco.REMOVE.co.uk