How to add a word to the end of all lines in Notepad++

In this article, we will look at how to add words to the end of all lines using the built-in features of Notepad++. Notepad++ Download

Open Notepad++.
Click File in the top menu and select Open... to open the desired file.
Press Ctrl + H to open the Find and Replace window.
In the Find field, enter the following regular expression:

(.*)

This regular expression means "find any line of text".
In the Replace with field, enter the following expression:

\1 your_word

Here \1 stands for the content of the found line, and your_word is the word you want to add to the end of each line. Replace your_word with the word you need.
Make sure the Regular expression option is selected at the bottom of the window.
Click the Replace All button to apply changes to all lines in the file.

Example

Consider an example where we want to add the word "example" to the end of each line. In this case, the Find what field will contain (.*), and the Replace with field will contain \1 example.

Input:
Hello
World
This is a test

Output:
Hello example
World example
This is a test example

Using Notepad++ and its regular expression capabilities, you can add any word to the end of all lines in your file.