For example when matchmaking the game would look for Breakthrough Seige of cairo but not conquest seige of cairo.
While also I would be able in the same custom matchmaking be able to look for conquest hagental base but not breakthrough hagental base.
I hope that is understandable to read.

There is already a thing, called Custom Search.

There is already a thing, called Custom Search.
Yeah but its not custom enough

There is already a thing, called Custom Search.
Yeah but its not custom enough
It is very well made to provide you the experience you desire. Unless you are using it wrong of course.

can we also have a custom ping limit?

There is already a thing, called Custom Search.
Yeah but its not custom enough
Basically what you are asking for is for every mode to allow a selection of preferred maps.
I doubt Dice are going to spend additional manhours to implement that.