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my $pattern = "(?<!st)abc"; # 'st' in lookbehind
qr/$pattern/i; # error: 'Variable length lookbehind not imple
+mented in regex...
my $pattern = "(?<!sz)abc"; # 'sz' in lookbehind
qr/$pattern/i; # this works fine
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
Results (550 votes). Check out past polls.