Not natively in Airtable’s formula field. It currently lacks the ability to iterate through a collection (e.g. multiple linked records) and perform some operation on each item in that collection (e.g. look for that same item in a collection in another field). To do this, you would need to either write custom code that accesses the data via Airtable’s REST API, or use a script in the scripting block. In either case, you’ll be using a scripting/programming language with far more robust capabilities for dealing with arrays (collections of items). Let us know which way you wish to go, and we’ll do our best to help.