Matches constraint fails to match regex --------------------------------------- Key: JBRULES-2386 URL: https://issues.redhat.com/browse/JBRULES-2386 Project: JBRULES Issue Type: Bug Affects Versions: 5.0.1.FINAL Reporter: Nick Heudecker Assignee: Tihomir Surdilovic Priority: Major Fix For: 6.0.0.Alpha1 Attachments: drools-example.zip This rule fails to evaluate correctly: rule "Test Regex" when $q : Query() $g : QueryGroup() from $q.groups $f : QueryFilter(name == "address", regex == true) from $g.filters $p : Person(address.value matches $f.value) then System.out.println("Found regex match"); end I've attached an example project that reproduces the problem.