in reply to fibonacci regex

Nice, this reminds me of a function to test if a number if prime:

sub isPrime { ('1' x $_[0]) !~ /^(11+)\1+$/; }

Ted Young

`($$<<$$=>$$<=>$$<=$$>>$$) always returns 1. :-)`

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Re^2: fibonacci regex
by ambrus (Abbot) on May 10, 2010 at 19:27 UTC |

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