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KB Article # 10274
Ephesoft Version: 4.x
Issue: How Do You Make An Index Field Optional During Validation?
Say you want to create a regular expression to validate with specific reges rules AND blank values. How would you do so?
Combine your regular expression with the regular expression for blank(empty/null) space.
This REGEX will validate BLANK:
Say you want to accept yes, no or empty space as a validation rule. The following would apply: