Sublime Text 2: How to delete blank/empty lines

Question

Let\'s say I had a text file with the following nine lines:

foo

bar

baz

qux

quux

How can I use Sublime Text 2 to remove all four of the

Answer 1

Don't even know how this whole thing works, but I tried ^\s*$ and didn't work (leaving still some empty lines).

This instead ^\s* works for me

{sublime text 3}