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Excel Custom Alphanumeric Formatting using Data Validation

Hi guys, I have tried to reverse engineer some formulas that I've found on the forum for my specific case, but I could never get them to work correctly. I was hoping someone might be able to help my lock the input of a cell down to this specific set of characters. 1. First character will always be a letter (text) 2. The next seven characters will always be numbers 3. The ninth character will always be a letter (text) 4. The last four digits will always be numbers. 5. I would like the letters to be remain capital letters An example would be: N0018712A2345 Thanks in advance for any help you can provide!

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This thread is current as of July 21, 2017.

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