Henry Maddocks wrote in post #1131042:
> On 19/12/2013, at 8:13 am, Jim Whittaker <lists / ruby-forum.com> wrote:
>
>> 2) Returns a match to any consecutive group of character in the
>> "stringy" (ex. 'st', 'str', 'stri'..etc)
>
> This is how you do it.
>
> henry

I think I may be able to figure this part out.  But I can't figure out
how to exclude dup's or keep a running count of that total (non-dup's).

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