Design Pattern in .Net Core
We have various design pattern implemented in .net core such as Middleware using Chain of responsibility design pattern LINQ or Foreach using Iterator pattern EF core using Repository pattern please provide me few examples of design pattern which are in used in .net core

We have various design pattern implemented in .net core such as
- Middleware using Chain of responsibility design pattern
- LINQ or Foreach using Iterator pattern
- EF core using Repository pattern
please provide me few examples of design pattern which are in used in .net core