<packagingExcludes> does not work.

When creating skinnyWars with maven-ear-plugin, you will end up removing all libraries from WAR archives. Sometimes I need to keep web-fragment jars in WEB-INF/lib inside the war otherwise it won't be used as a web-fragment (It [the web fragment] can't be in the EAR it must be in the WAR).

To do this I use packagingExcludes as such:
<packagingExcludes>%regex[.*WEB-INF/lib/(?!project-my-webfragment).*.jar$]</packagingExcludes>
To exclude everything by the fragment from the WAR in the EAR build. %regex[] does not work and doesn't seem to have in any version..

The regex is correct:

Assert.assertFalse("som/WEB-INF/lib/project-my-webfragment-0.0.1.jar".matches(".* WEB-INF/lib/(?!project-my-webfragment). *.jar$"));
Assert.assertTrue("som/WEB-INF/lib/project-my-library-0.0.1.jar".matches(".* WEB-INF/lib/(?!project-my-webfragment). *.jar$"));
(Had to insert spaces around * so it wouldn't be used for bold text formatting)