@stefanmaerz sorry I missed this, but yes, you can infix single wildcards, which so long as you have a predictable nesting structure (which it appears you might) you should have no problem! Glad you were able to make it work 🙂

No worries!! I reread the article and figured out the answer. Very well written by the way :)

Thanks! It was the byproduct of my own very similar frustration and confusion!