in reply to Obtain information from a string
You will find all of the information you need here: regular expressions. Also, the m operator manpage might be useful to you.
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 (530 votes). Check out past polls.