Index: darg.py
==================================================================
--- darg.py
+++ darg.py
@@ -167,23 +167,22 @@
             sPattern, sNegPattern = sRegex.split("¬")
             try:
                 if not sNegPattern:
                     print("# Warning! Empty negpattern:", sRegex)
                 re.compile(sPattern)
-                re.compile(sNegPattern)
+                if sNegPattern != "*":
+                    re.compile(sNegPattern)
             except:
                 print("# Error. Wrong regex:", sRegex)
-                traceback.print_exc()
                 exit()
         else:
             try:
                 if not sRegex:
                     print("# Warning! Empty pattern:", sRegex)
                 re.compile(sRegex)
             except:
                 print("# Error. Wrong regex:", sRegex)
-                traceback.print_exc()
                 exit()
 
 
 class Node:
     """Node of the rule graph"""