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
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
Note that normally in Windows an end of line indicated by 2 characters CRLF - Carriage Return (CR, ASCII 13, \r) Line Feed (LF, ASCII 10, \n).