Compare lists and extract the not matched numbers

Hi all

I have to lists one from Excel and one from Revit.

The list in Excel is not matching the list from Revit which containing the true amount of space numbers to be exact.

My target is to compare the two lists and extract the missing numbers in the excel list.



list not maching

I think this is what you needed 2015-05-19_14h56_57

Spot on!!


Or the built-in node SetDifference?