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Fieldvalidation

balooka
in Calculation Engine (Define Fields)

Featured Replies

hi

I have a DB where users must enter a serialnumber to track. The number used to be numeric but now theres a letter in front of it (P123456). I do not want to redo all links to a new field. What I would like to see is that the user MUST fill in the full serial (including the letter) and the validation chechs the the first character is a letter and the others are numeric... I've been trying (too) hard to find the solution.

Anyone any hints?

Thx

This function will ensure that the field is exactly 7 characters long, the first character is a letter, and the remaining 6 are digits.

Length(SerNoField) = 7 and Position("ABCDEFGHIJKLMNOPQRSTUVWXYZ", Left(SerNoField, 1), 1, 1) and (TextToNum("1" & Middle(SerNoField, 2, 6))>1000000)

  • Author

BobWeaver

Thank, works like a charm!

JP smile.gif

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https://fmforums.com/topic/12659-fieldvalidation/
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