in reply to non-exact regexp matches
Check out chapter 9 of Mastering Algorithms with Perl for several approximate matching routines. The code is also available here.
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 (463 votes). Check out past polls.