Find Files in Notepad++ Without Text

How to find all files that do not contain a piece of text using Notepad++

Notepad++ is an excellent tool, and its search is very useful.

Sometimes I need to find when a piece of text has not been used in set of files.

The following regular expression can be used in the search, just replace the {TEXT_HERE} and remember to set the Search Mode to "Regular expression"..

(?s-i)\A(?:(?!\Q{TEXT_HERE}\E).)+\z