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Formula code for alphanumeric validation

This tip offers simple Formula code to validate and allow a field value to have only alphanumeric characters.

This is simple Formula code to validate and allow a field value to have only alphanumeric characters -- both letters and numbers are mandatory. All you need to do is paste the code in the field's input validation.

CheckA := @If(@Matches( @ThisValue; "+{A-z0-9}" );"yes";"no");
CheckB := @If(@Matches( @ThisValue; "+{A-z}" );"yes";"no");
CheckC := @If(@Matches( @ThisValue; "+{0-9}" );"yes";"no");
Check := @If(CheckA="yes" & CheckB="no" & CheckC="no";@success;@failure);

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This tip was submitted to the tip exchange by member Vijay Sreegiriraju. Please let others know how useful it is via the rating scale below. Do you have a useful Notes/Domino tip or code to share? Submit it to our bimonthly tip contest and you could win a prize and a spot in our Hall of Fame.

This was last published in October 2005

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