validator

A Java API for national and international phone numbers. The code is part of the blog article Das Mimikri Muster.

Validation Annotations for URI classes

A Java Bean Validation library, to validate IBAN and BIC values.

PostgreSQL Configuration Parameter Validator gives you the ability to verify if a GUC (Grand Unified Configuration) parameter is valid based on a few rules that are checked depending on the PostgreSQL server version being used.

A Java library that performs bean validation similar to javax.validation, but rather than validating at runtime, the annotations used here are evaluated at compile time.