And on a lighter note ... a string of 80 random characters is slightly over 4% likely to be valid Perl. (I didn't run the code and verify this).
Markov
rafael on 2004-02-24T20:59:36
IIRC Ilya Zakharevich used to generate perl-gibberish with markov chains to stress-test the perl parser.
More like 0.7%
schwern on 2004-02-24T21:01:15
If you remove # from the set of characters it drops to 0.7%.
Interestingly enough, I've yet to see an instance of
/\bsystem\b/.