• ABANumberWhen
• AmericanExpressWhen
• ApacheBValConstraintDescriptorFactory
• CUSIPWhen
• DinersWhen
• DirectoryWhen
• DiscoverWhen
• DomainWhen
• EAN13When
• IBANWhen
• InetAddressWhen
• ISBN10When
• LuhnWhen
• MastercardWhen
• NotDirectoryWhen
• SedolWhen
• SymlinkWhen
• VerhoeffWhen
• VisaWhen