# Uses of Class
org.apache.struts2.validator.validators.RegexFieldValidator

Packages that use RegexFieldValidator
Package
Description
org.apache.struts2.validator.validators
XWork default validator classes.

- ## Uses of RegexFieldValidator in org.apache.struts2.validator.validators

  Subclasses of RegexFieldValidator in org.apache.struts2.validator.validators
  Modifier and Type
  Class
  Description
  `class`
  `CreditCardValidator`
  CreditCardFieldValidator checks that a given String/Array/Collection field, if not empty, is a valid credit card number.
  `class`
  `EmailValidator`
  EmailValidator checks that a given String field, if not empty, is a valid email address.