Are there any crypto exchange making services?
AFAIK, there were services like this posted in either Service section or Marketplace(Altcoins).
Is it possible to create a CEX exchange (without KYC and regulation) or DEX exchange with the help of site making services that would be understandable for a beginner without knowledge of coding
In creation, you're not required to follow any regulation but when you start operating, that's when you start following compliances and requirements.
Well, now even any schoolboy can create his own token and there are services like that. But are there similar services but only for creating exchanges, so that even a schoolboy easily could create his own exchange?
Why so? for experimental purposes? Although as I've said, there are white label crypto exchange creation services I've seen before.