Help to validate MULTIPLE numbers in one cell, not just the total
I enter multiple numbers into one cell and they all have to be negative
numbers. I would like an error message to occur when a positive number is
added. I tried to validate it, but it only gave an error when the total
amount was positive.
EX:
Cell A1 shows---125 (=-130+5)
I want an error message when the +5 was entered
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