Video How to replace only specific shaders, and render everything else as normal.

Hello everyone.

The title says it all. I'm looking for a way to replace only specific shaders. The SetReplacementShader feature on the camera will only get me so far; I can't be bothered to make a replacement shader that includes all other shaders in my project.

I'm looking for a function that replaces ONLY shaders with a specific keyword/tag or something. Does anyone know of a computationally cheap way? I made something myself, but it is very hacky and not very cheap.