Regular Expression


Notepad3 might be small, but it has a powerful regular expression engine build in. Our choice is the fast and powerful Oniguruma regular expression engine.

In the pages above, we will do our best to familiarize you with regular expressions and how to use them to perform advanced search and replace operations in Notepad3.

We know regular expressions can be daunting at first (even the Notepad3 developers have trouble understanding regular expressions completely), but like every skill, the more you practice the better you will be. 🙂

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