Validation rules allow you to validate the data that is entered by the end user. With this rulethese rules, you can notify the users if some certain conditions are not valid and the user is trying met when they attempt to take an action, ensuring data accuracy and integrity.
Validation Group Name
Name This is the name of the validation group that is attached to the the action. You can leave it empty to execute the validation alwaysat all times.
Error Message
The error This message will be shown to the user when the validation rule is validatedtriggered, helping users correct their input.
Rule Condition
The condition for the validation. If this condition is met, the error message will appear, and the form will not be validated.
Using Regular Expressions
You can also use Regular Expressions (RegEx) for validation. To set up a RegEx validation, use the match function within the rule condition. This allows you to check if the input matches a specific pattern, ideal for validating formats such as email addresses, phone numbers, or other structured inputs.
Example
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return (!$Xml.Evaluate('.').match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9_-]+)/gi)) |
In this example, the match function checks if current node contains a valid email format. If it does not match, the error message will be shown, and the form will not be validatedsubmitted.