Remove empty lines in Visual Studio

Visual Studio has ability to delete empty lines in replace operation using regular expressions.

1. Click Ctrl-H (quick replace)
2. Check "Use Regular Expressions"
3. In Find type ^$\n 
4. In Replace box set empty.
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