How to: Remove empty lines in text using Visual Studio.

Visual Studio has ability to delete empty lines in replace operation using regular expressions.
1.Click Ctrl-H (quick replace)
2. Tick "Use Regular Expressions"
3. In Find specify ^$\n
4. In Replace box delete everything.
5 Click "Replace All".

All empty lines will be deleted.

Regular expression for empty line consist of 

Beginning of line ^
End of line $
Line break \n