Add regex to match ICQ #'s
Add regex to match ICQ #'s

Seen in some of the recent spam, e.g. https://metasmoke.erwaysoftware.com/post/22659
Charcoal-SE/SmokeDetector,NickVolynkin/SmokeDetector,Charcoal-SE/SmokeDetector,ArtOfCode-/SmokeDetector,ArtOfCode-/SmokeDetector,NickVolynkin/SmokeDetector