Find data in one table from another.
I think the solution is in a minor modification of Ron's formula. The
suggested formula
=SUMPRODUCT(--ISNUMBER(SEARCH(A1,CATALOG)))=1
returns TRUE only if the code in A1 appears exactly once in CATALOG and
I suspect this is not the case. I suggest you modify to:
=SUMPRODUCT(--ISNUMBER(SEARCH(A1,CATALOG)))<0
HTH
Kostis Vezerides
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