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How to remove duplicate lines from text data in notepad++
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| Source: http://webcache.googleusercontent.com/search?q=cache:https://notepad-plus-plus.org/community/topic/11466/eliminate-duplicate-rows-show-unique-rows-only | |
| (Cached with Google in case it ever goes down.) | |
| 1) Open notepad++ and paste in data you want duplicate lines removed from. | |
| 2) Edit -> Line Operations -> Sort Lines Lexicographically Ascending | |
| 3) Ctrl + F | |
| 4) Search for: ^(.+?)\R(\1\R?)+ | |
| 5) Replace with: \1\r\n |
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