diff --git a/WebStats/plugin.py b/WebStats/plugin.py
index 7eccf9e..197be1a 100644
--- a/WebStats/plugin.py
+++ b/WebStats/plugin.py
@@ -580,7 +580,7 @@ class WebStatsDB:
         if DEBUG or random.randint(0,50) == 10:
             self.refreshCache()
 
-    _regexpAddressedTo = re.compile('^(?P<nick>[^a-zA-Z0-9]+):')
+    _regexpAddressedTo = re.compile('^(?P<nick>[^:, ]+)[:,]')
     def refreshCache(self):
         """Clears the cache tables, and populate them"""
         self._truncateCache()