-# Second two bits match UDP wierdness, commented out until it's tested
-#^(\x13bittorrent protocol|d1:ad2:id20:|\x08'7P\)[RP])
-^\x13bittorrent protocol
+# Second two bits match UDP wierdness
+# Next bit matches something Azureus does
+# Ditto on the next bit. Could also match on "user-agent: azureus", but that's in the next
+# packet and perhaps this will match multiple clients.
+# bitcomet-specific strings contributed by liangjun.
+
+# This is not a valid GNU basic regular expression (but that's ok).
+^(\x13bittorrent protocol|azver\x01$|get /scrape\?info_hash=get /announce\?info_hash=|get /client/bitcomet/|GET /data\?fid=)|d1:ad2:id20:|\x08'7P\)[RP]
+
+# This pattern is "fast", but won't catch as much
+#^(\x13bittorrent protocol|azver\x01$|get /scrape\?info_hash=)