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  • Sarah Wiens
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SOLVED
2 replies

Validation rule help: modifying to allow for empty field

I'm setting up a custom "Graduating Class" field for our contacts. I want users to either leave the field blank or enter numbers in the field in the YYYY format (no commas). How do you recommend I write the validation rule?

So far I have NOT(ISNUMBER( Graduating_Class__c )) to strip the comma, but I'm not sure how to modify to allow for a blank option.
SOLVED
2 replies

Validation rule help: modifying to allow for empty field

I'm setting up a custom "Graduating Class" field for our contacts. I want users to either leave the field blank or enter numbers in the field in the YYYY format (no commas). How do you recommend I write the validation rule?

So far I have NOT(ISNUMBER( Graduating_Class__c )) to strip the comma, but I'm not sure how to modify to allow for a blank option.