diff --git a/Trigger/TrigSteer/TrigCompositeUtils/TrigCompositeUtils/TrigCompositeUtils.icc b/Trigger/TrigSteer/TrigCompositeUtils/TrigCompositeUtils/TrigCompositeUtils.icc
index 6bf1ad5c9f9ac2084b67e17c4e60a393aca1470e..817e6a5dd6adcc9cfabf13a28a46436d1f7e1c41 100644
--- a/Trigger/TrigSteer/TrigCompositeUtils/TrigCompositeUtils/TrigCompositeUtils.icc
+++ b/Trigger/TrigSteer/TrigCompositeUtils/TrigCompositeUtils/TrigCompositeUtils.icc
@@ -3,6 +3,7 @@
 */
 
 #include "AsgMessaging/MessageCheck.h"
+#include <regex>
 
 namespace TrigCompositeUtils {
 
@@ -139,7 +140,18 @@ namespace TrigCompositeUtils {
       return;
     }
     auto it = std::remove_if(vector.begin(), vector.end(), [&](const ElementLink<CONTAINER>& el) {
-      return (el.dataID().find(containerSGKey) == std::string::npos);
+
+	bool oldmatch = ( el.dataID().find(containerSGKey) == std::string::npos);
+	
+	bool newmatch = !std::regex_match( el.dataID(), std::regex(containerSGKey) );
+		
+	// ANA_MSG_WARNING ( "Strict match violation" << el.dataID() << " : " << containerSGKey ); 
+
+	if ( oldmatch!=newmatch ) std::cerr << "SUTT:: Strict match violation" << el.dataID() << " : " << containerSGKey << std::endl;; 
+				  
+	return  !std::regex_match( el.dataID(), std::regex(containerSGKey) );
+      
+        // return (el.dataID().find(containerSGKey) == std::string::npos);
     });
     // Collection has been re-ordered to put the bad elements at the end
     vector.erase(it, vector.end());