IsAlphaNum

All validation programs

Checks a value and takes action if it consists entirely of numbers and/or letters of the alphabet (0-9, A-Z, and a-z).

Format of Parameters

Value CaseOption (IfTrueAction) (IfFalseAction)

Where:

Value The value being checked. This can be a constant in double quotes, a system variable (Current_Element, Current_Date, etc.), or an external variable name.
IfTrueAction

An action to be executed if the value passes the IsAlphaNum test. Required if you are specifying an IfFalseAction. To do nothing if false, use this:

(BusinessRules.Utilities DoNothing)

CaseOption

Optional. Further limits the check to allow just upper-case or lower-case letters:

U    = Limit valid characters to numbers and uppercase letters

L    = Limit valid characters to numbers and lowercase letters

IfFalseAction Optional. An action to be executed if the value fails the IsAlphaNum test.