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How do I set a field to have exactly 24 characters?

  • December 10, 2019
  • 4 replies
  • 197 views
C
Docusign Employee
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Hi all,

I have to set a field to be 24 characters long and alphanumeric. Do you have idea how to do this?

Thanks,

Clara

Best answer by Community Expert

This would likely be a Text field with a character limitation of 24 characters and a "letter" validation. Each field you add to a document inside an envelope has field properties that can be set for that field, here is a DocuSign article that provides information on the field properties and the two items I mentioned (character limit and validation):

https://support.docusign.com/en/guides/ndse-user-guide-field-properties

4 replies

C
Docusign Employee
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  • Community ExpertDocusign Employee
  • Docusign Employee
  • Answer
  • December 10, 2019

This would likely be a Text field with a character limitation of 24 characters and a "letter" validation. Each field you add to a document inside an envelope has field properties that can be set for that field, here is a DocuSign article that provides information on the field properties and the two items I mentioned (character limit and validation):

https://support.docusign.com/en/guides/ndse-user-guide-field-properties

C
Docusign Employee
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Hi,

Thanks for your answer. What I mean is that the field need to have exactly 24 characters (not less, not more). If I set the character limit to 24, then it will let me entering less then 24 characters and it's not ok.

Hope you can help me with a solution for this.

Have a nice day,

Clara

C
Docusign Employee
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Ok, that would require a "Custom" Validation of a Regular Expression. A simple regular expression (as seen below) like this would indicate exactly 24 characters, alphanumeric, uppercase and lowercase allowed. Mine is just an example but I tested and it did work, Regular Expressions are very powerful and can be used in many situations.

^[a-zA-Z0-9]{24}$

So you add the Text field you go to the right side field properties, then Validation, select Custom then add the RegEx and the error when the criteria is not met.

C
Docusign Employee
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LEN(Field__c) < 24

*To clarify, you create a validation rule using the above formula. The 'Field__c' should be substituted with the API of the field that you are referring to.

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