Apache Commons Validator Commons Validator Java Validation Framework and Routines Commons Validator provides the building blocks for both client side validation and server side data validation. It may be used standalone or with a framework like Struts. Latest Stable Release 2006-11-28 1.3.1 1.3.0 2006-03-24 1.3.0 1.2.0 2005-11-15 1.2.0 1.1.4 2004-11-12 1.1.4 1.1.3 2004-08-25 1.1.3 1.1.2 (alpha) 2004-04-03 1.1.2 1.1.1 (alpha) 2003-12-15 1.1.1 1.1.0 (alpha) 2003-08-26 1.1.0 1.0.2 2003-04-17 1.0.2 1.0.1 2002-12-16 1.0.1 1.0 2002-11-01 1.0