Re: [FWP] japhy had a silly idea...

[Ilmari Karonen <iltzu@sci.fi>]

On Fri, 25 May 2001, Jeff Pinyan wrote:
> I tried for an hour and a half or so to craft a regex that matches itself,
> and ONLY itself.
> 
> I came up with nothing -- well, several dead ends at least.

What are the constraints?  If embedding Perl code is allowed, I'd say
the problem essentially reduces to constructing a quine.

(No, I don't have the time to attempt a solution just now..)

-- 
Ilmari Karonen - http://www.sci.fi/~iltzu/
"Good question.  I don't think anyone here knows, but it seems like the
 sort of thing that might be explained in the manual."
                           -- Mark-Jason Dominus in comp.lang.perl.misc


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