Removing empty lines in Notepad++

Question

How can I replace empty lines in Notepad++? I tried a find and replace with the empty lines in the find, and nothing in the replace, but it did not work; it probably needs r

Answer 1

1. Press ctrl + h (Shortcut for replace).
2. In the Find what zone, type ^\R ( for exact empty lines) or ^\h*\R ( for empty lines with blanks, only).
3. Leave the Replace with zone empty.
4. Check the Wrap around option.
5. Select the Regular expression search mode.
6. Click on the Replace All button.