A validation rule that demands that the validated field match a specified pattern.
To specify the regular expression that the validated field must match, set the rule's pattern configuration option.
Specifies the message that is shown for end-users if the current rule is broken.
You do not have to specify this field. In this instance, a default message will be shown. To include the name of the validated editor into the default validation message as a subject, set the name field of the dxValidator object.
If you assign an empty string to the message field, the message will not be shown.
Specifies the regular expression that the validated value must match.