Index: darg.py
==================================================================
--- darg.py
+++ darg.py
@@ -157,19 +157,24 @@
     def getNodeAsDict (self):
         "returns the node as a dictionary structure"
         dNode = {}
         dRegex = {}
         dRules = {}
-        for arc, oNode in self.dArcs.items():
-            if type(arc) == str and arc.startswith("~"):
-                dRegex[arc[1:]] = oNode.__hash__()
-            elif arc.startswith("##"):
-                dRules[arc[1:]] = oNode.__hash__()
+        dLemmas = {}
+        for sArc, oNode in self.dArcs.items():
+            if sArc.startswith("~") and len(sArc) > 1:
+                dRegex[sArc[1:]] = oNode.__hash__()
+            elif sArc.startswith(">") and len(sArc) > 1:
+                dLemmas[sArc[1:]] = oNode.__hash__()
+            elif sArc.startswith("##"):
+                dRules[sArc[1:]] = oNode.__hash__()
             else:
-                dNode[arc] = oNode.__hash__()
+                dNode[sArc] = oNode.__hash__()
         if dRegex:
             dNode["<regex>"] = dRegex
+        if dLemmas:
+            dNode["<lemmas>"] = dLemmas
         if dRules:
             dNode["<rules>"] = dRules
         #if self.bFinal:
         #    dNode["<final>"] = 1
         return dNode

Index: gc_core/py/lang_core/gc_engine.py
==================================================================
--- gc_core/py/lang_core/gc_engine.py
+++ gc_core/py/lang_core/gc_engine.py
@@ -607,22 +607,23 @@
     def _getNextMatchingNodes (self, dToken, dNode):
         # token value
         if dToken["sValue"] in dNode:
             yield dGraph[dNode[dToken["sValue"]]]
         # token lemmas
-        for sLemma in _oSpellChecker.getLemma(dToken["sValue"]):
-            if sLemma in dNode:
-                yield dGraph[dNode[sLemma]]
+        if "<lemmas>" in dNode:
+            for sLemma in _oSpellChecker.getLemma(dToken["sValue"]):
+                if sLemma in dNode["<lemmas>"]:
+                    yield dGraph[dNode["<lemmas>"][sLemma]]
         # universal arc
         if "*" in dNode:
             yield dGraph[dNode["*"]]
         # regex arcs
-        if "~" in dNode:
+        if "<regex>" in dNode:
             for sRegex in dNode["~"]:
                 for sMorph in _oSpellChecker.getMorph(dToken["sValue"]):
                     if re.search(sRegex, sMorph):
-                        yield dGraph[dNode["~"][sRegex]]
+                        yield dGraph[dNode["regex"][sRegex]]
 
     def _executeActions (self, dNode, nOffset):
         for sLineId, nextNodeKey in dNode.items():
             for sArc in dGraph[nextNodeKey]:
                 print(sArc)