From: Fedor Labounko <fedor.labounko@...>
Date: 2007-01-08T08:37:46+09:00
Subject: Re: [QUIZ] Word Blender (#108)

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On 1/7/07, Daniel Finnie <danfinnie@optonline.net> wrote:

> # Find words that use the same letters
> selectedWords = dict.scan(/^[#{baseWord}]{3,6}$/)


I was really impressed when I first saw this. It doesn't quite work if you
want to exclude reusing the same letter more than once
("hhh".scan(/^[hello]{3,6}$/) => ["hhh"]) but it comes so close to something
I've only ever thought about implementing as a recursive method.
Unfortunately I don't know much about this but now I wonder if it's possible
to find all partial permutations of a word with a regexp.

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