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How do I make sure that the phone number entered in my form is 10 digits and throw an error if it is wrong?

  • April 12, 2018
  • 0 replies
  • 90 views
How do I make sure that the phone number entered in my form is 10 digits and throw an error if it is wrong? 

    • MCFNeil
    • Registered
    • April 12, 2018
    You can use a formula field to 'count' the number of digits in the field, and then use a form rule that will show a pop-up if it is not equal to 10.
    • ChrisChris
    • Registered
    • April 12, 2018

    You can use the Length() function like so in a formula check box field.

    if(

    length([phone number])<10,true,false

    )


    I'm not sure if the function would consider the counting of hyphens. Experiment around with it.
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