Hi there,
I would like to force admins of a sheet to use a specific format when entering call signs.
The format should be following this pattern:
AA_0.0.0 Where (A) is an letter in capital, (_) a space, (0) a number from 0 to 9, (.) a dot.
How could I do this? Your help would be much appreciated!
I have Excel 2011 and 2013 on two different computers if it helps.
Thanks a lot for any help!
Fabrice
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