M.A.I.D (My Assets Imperfections Detector) is a automatic/manual Assets cleaner and renamer utility widget that help you with Marketplace based renaming convention (prefix & suffix) and for deleting unused assets and folders.
https://docs.unrealengine.com/5.1/en-US/recommended-asset-naming-conventions-in-unreal-engine-projects/
Blueprints coding (No C++). import M.A.I.D in your project and ... Voilà !