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 2020-08-07 1.7 Latest Stable Release 2017-02-21 1.6 Latest Stable Release 2016-04-30 1.5.1 Latest Stable Release 2015-11-24 1.5.0 Latest Stable Release 2014-01-13 1.4.1 Latest Stable Release 2012-02-03 1.4.0 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