How to remove unnecessary blank line on code formatting in IntelliJ?

Question

Is it possible to remove empty/blank lines using code formatting in Intellij IDEA?

Answer 1

I use regular expression to remove extra blank line from code. Here are the instructions

• Open Find and Replace dialog. Use shortcut CTRL+SHIFT+R.
• In the search box type ^(?:[\t ]*(?:\r?\n|\r)){2,}. This will search for two ore more blank lines.
• In a replace box type \n. This will replace with one blank line.

• Open Reformat Code dialog and click Run. Use shortcut CTRL+ALT+L.

This works on all JetBrains IDEs. Use the screenshot as referece.