Email Address → Settings → Advanced

Validators prevent the form being submitted if the submitted data does not match the validator rules. See below for an explanation of what each validator does and its options.

Adding a validator

To add a validator, click the button of the validator you want to add, for example, to add the Digits validator, click the Digits button.

Removing a validator

To remove a validator, click the remove icon on the validator.



The email validator checks that the value is a valid email address.

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