How to remove duplicates in notepad++

Notepad plug-in TextFX Characters is a plug-in installed by default. Due to its powerful functions, it is considered the best Notepad plug-in by programming enthusiasts.

Install the TextFx plug-in first (recommended learning: notepad use)

Operate under the menu TextFX-->TextFX Tools

1 Make sure "sort outputs only unique" is selected

2 Select To remove duplicate text

3 Select the "sort lines case sensitive" or "sort lines case insensitive" button

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