in reply to Re^2: trim leading & trailing whitespacein thread trim leading & trailing whitespace
$_ = " no \n \n \n they \n \n won't \n\n\n";
All blank lines are gone.
I see what you mean now. I thought you were suggesting it would remove the newline characters, not just the blank lines. Your way is more correct.
How about this:
$_ = " yes \n \n \n they \n \n will \n\n\n";
% perl 443391.pl
the lowliest monk
Perhaps replace the \b(.*?) with (\S.*?).
Still, you're not running this with warnings enabled, are you? Both $1 and $2 are optional, so both can be undef, but you use their value regardless. This runs without warnings:
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?
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