I don't think so – there are quite compact expressions to test a group of fields on all empty / all non-empty, but for equivalence you probably have to look at every single field.
OTOH, why would you need to do that? What's the real-world scenario?
The use case is hard to generalize, but I want to verify that all instances of an item have the same category.
Category (itemA) = Category (itemB) = Category (itemC) etc.
This way I can say that N items are in Category (itemA) instead of having to list the categories for each item repeatedly.
Thanks for confirming.
Hm... I'm not sure about FilterValues, but I think you're on the right track... this should do the trick:
PatternCount ( B & C & D & E ; A ) = 4
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I'm afraid that's not the right answer.
What you mean is
testList = List ( B ; C, D ; E ) ;
ValueCount ( testList ) = ValueCount ( FilterValues ( testList ; A ) )
because that tests on complete lines, not just sub-strings.