WebStats: Extend the 'addressed-to' separator to all non-alphanumeric characters.

WebStats/plugin.py

@@ -259,7 +259,7 @@ class WebStatsDB:
         if DEBUG or random.randint(0,50) == 10:
             self.refreshCache()
 
-    _regexpAddressedTo = re.compile('^(?P<nick>[^:, ]+):')
+    _regexpAddressedTo = re.compile('^(?P<nick>[^a-zA-Z0-9]+):')
     def refreshCache(self):
         """Clears the cache tables, and populate them"""
         self._truncateCache()