Remove duplicate lines using Notepad++


Notepad++ is by far the most popular Text Editor for Windows operating system. One of the most common use case for a developer is to quickly remove duplicate lines in a text for a file, Notepad++ is best tool for it,

Steps to remove duplicate lines in text or file using Notepad++

  1. Open your file in Notepad++ or copy your text in a tab,
  2. Now select all the text,
  3. Go to: Menu: View -> Line Operations -> Remove Duplicates Lines
Remove duplicate line using Notepad++
Remove duplicate line using Notepad++

There is no need to use any regular expressions to remove duplicates as Notepad++ has an inbuilt option to do it.

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