Good morning, bee!
Do note that this is an international community, so sometimes the reason different members go silent is simply because we are asleep. =)
As for your problem, I'm inclined to agree with bobhc about not being able to do it with a single formula. I know you said we can't use Text-to-columns, but would it be possible to use helper columns? That's the only way I can think of having a chance of doing all the comparisons needed in just a workbook. This is the point where I would strong encourage just using the UDF, as it'll probably be faster and more efficient that the formulas we will come up with.
Do note that this is an international community, so sometimes the reason different members go silent is simply because we are asleep. =)
As for your problem, I'm inclined to agree with bobhc about not being able to do it with a single formula. I know you said we can't use Text-to-columns, but would it be possible to use helper columns? That's the only way I can think of having a chance of doing all the comparisons needed in just a workbook. This is the point where I would strong encourage just using the UDF, as it'll probably be faster and more efficient that the formulas we will come up with.