Notepad++ is a great text editor for the Windows operating system. It has a lot of great features and there are also many useful plugins for it. The Explorer plugin features an integrated file explorer inside the Notepad++ user interface which is pretty handy most of the time. But there is a specific feature missing: the ability to quickly search and open files under a specific root directory by typing part of their filename. This feature is available in other text editors. For example, there is the Snap Open Plugin for gedit. I have developed this feature and integrated it in the original Explorer plugin.
You can view the source code and download the plugin DLL from GitHub: npp-explorer.