Remove empty lines with regex in Notepad++

In this article we are going to look how to remove empty lines with Notepad++.

Presented below solution uses regex to do it (uses regular expressions).

Quick steps:

1. open Notepad++,
2. go to Replace window (in menu Search -> Replace... or press ctrl + H),
3. in Search Mode group-box select Regular expression radio button,

4. enter below regex in Find what input:

   Copy

   xxxxxxxxxx

    

   1

   ^\R

5. enter below line in Replace with input:

   Copy

   xxxxxxxxxx

    

   1

   >> Leave it EMPTY <<

6. click on Replace All button

• Text before:

  Copy

  xxxxxxxxxx

   

  1

  line 1

  2

  ​

  3

  ​

  4

  line 2

  5

  ​

  6

  line 3

  7

  line 4

• Text after:

  Copy

  xxxxxxxxxx

   

  1

  line 1

  2

  line 2

  3

  line 3

  4

  line 4

Look at below screenshots:

1. Notepad++ - Wiki
2. Download Notepad++