Index: trunk/tools/checkstyle/josm_filters.xml
===================================================================
--- trunk/tools/checkstyle/josm_filters.xml	(revision 9853)
+++ trunk/tools/checkstyle/josm_filters.xml	(revision 9869)
@@ -9,5 +9,5 @@
   <suppress checks="HeaderCheck" files="NTV2SubGrid\.java" />
   <suppress checks="HeaderCheck" files="NTV2Util\.java" />
-  <suppress checks="HeaderCheck" files="DomainValidator(Test|IT)?\.java" />
+  <suppress checks="HeaderCheck" files="DomainValidator(Test)?(IT)?\.java" />
   <suppress checks="HeaderCheck" files="EmailValidator(Test)?\.java" />
   <suppress checks="HeaderCheck" files="InetAddressValidator(Test)?\.java" />