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In the must not contain option, what should i put between items i want to exclude dL. like if i put 720 but also want to exclude something else. what do i put between the items i want to exclude?. i hope this makes sense.
thanks in advance!

It is a "kind of regex". What is regex, how you do it?

1) I'd recommend using an "AI" to help you write it! Google Gemini, ChatGPT, Microsoft CoPilot.
Just tell them you need a regex to exclude results. Like 720p and whatever else.

2) Use an online regex tester to check if the regex they gave is OK.
Just google "Online regex tester" and there are a dozen out there.

Obviously you can also just learn regex and write it yourself but I mean come on, let's use technology.