registerRegexValidator
fun Control.registerRegexValidator(message: String, regex: String, severity: Severity = Severity.ERROR, required: Boolean = true, support: ValidationSupport = singletonSupport): Boolean
fun Control.registerRegexValidator(message: String, regex: Regex, severity: Severity = Severity.ERROR, required: Boolean = true, support: ValidationSupport = singletonSupport): Boolean
Register regex validation.