Sorry I still don’t really understand what you’re trying to achieve, if you could elaborate more and explain the use case in more detail, it might help me and others to understand the problem.
A couple of points on the examples for Mock servers - You currently cannot use regex in the example request body, as you have it but you can add a layer of dynamic data to them.
The built-in Dynamic variables can be used in the examples to create random fake data - Here’s a basic request body:
That would return a response body in the mock server request like this:
You can find a number of different random variables that can be used here.