How to trim lines by the number of characters in Notepad++

In this article, we will look at how to trim lines by the number of characters using Notepad++. Notepad++ Download

Open the file in Notepad++.
Make sure the necessary plugins are enabled. For this task, we will need the TextFX plugin.
If the TextFX plugin is not installed, you can install it as follows:
- Open the Plugins menu.
- Select Plugin Manager.
- Find and install TextFX Characters from the list.

Using regular expressions

Now that the plugin is installed, we can use regular expressions to trim lines.

Go to the Search menu and select Replace.
In the opened window, select the Extended Mode tab.
Make sure the Regular expressions option is enabled.
In the Find field, enter the following regular expression:
```
(.).*
```
where n is the number of characters you want to trim the lines to.
In the Replace with field, enter:
```
\1
```
This will keep the first n characters of each line.

Example:
If you want to trim lines to 10 characters, use the following:
Find: (.{10}).*
Replace with: \1

With Notepad++ and the TextFX plugin, you can trim lines before and after a certain number of characters.