https://markjacobsen.net/tags/text-files/Recent content in Text Files on MarkJacobsen.netHugo -- gohugo.ioen-usThu, 02 Apr 2015 18:31:00 +0000https://markjacobsen.net/2015/04/remove-duplicate-lines-in-notepad/Thu, 02 Apr 2015 18:31:00 +0000https://markjacobsen.net/2015/04/remove-duplicate-lines-in-notepad/<p>If you’ve ever had the need to remove the duplicate lines from a long list of entries like so…</p> <pre><code>hi bye hi guy bye hi </code></pre> <p>… and are looking for this…</p> <pre><code>hi bye guy </code></pre> <p>You can use the find/replace feature in Notepad++ to do it if you use the regex funcationality. Here’s the find string…</p> <pre><code>^(.*?)$\s+?^(?=.*^\1$) </code></pre> <p>Just replace with a zero length string.</p> <p>If you’d like to read up on the details I <a href="http://stackoverflow.com/questions/3958350/removing-duplicate-rows-in-notepad" target="_blank">found this tip here</a></p>