I need a custom formula to validate data so as to limit it to two capital letters and then 1 to 3 integers. Data such as such as "DB1" or "OP100" would return true and be allowed in the cell.
I need a custom formula to validate data so as to limit it to two capital letters and then 1 to 3 integers. Data such as such as "DB1" or "OP100" would return true and be allowed in the cell.
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