eZ Publish datatype extension, that provides various iso codes datatypes for ezpublish :

• International : IBAN, SWIFT/BIC, BBAN (RIB), Credit Card number
• France : Numéro de Sécurité Sociale, SIREN, SIRET, Codes postaux
• US : Social Security number
• UK : National Insurance Number

Each code has its own validator. 
Each validator is illustrated by a unit test case.
Each time it is possible, these datatypes are built collectable & indexable.

Want to contribute ? Just fork it here  : https://github.com/ronanguilloux/rgIsoCodes