From Dwayne Wright PMP, PMI-ACP, CSM
Certified FileMaker Developer
A READER ASKS
I liked your blog on FileMaker Validation.
I see that you can validate the maximum number of characters. What I am struggling with though, is how to validate that a field has a specific number of characters. My field HAS to be numeric, and 9 digits exactly. Cannot work out how to do it!
Well, you are very close. You will want to validate via a calculated value. You can set the calculation to determine the data entry length by using the Length function.
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