This is the revision history for \w in <matrix.org:#rAnyijhRxzFRfdjSHl:matrix.org>

factoid_idsubjectcopulapredicateauthornamespace
14958 \w is [a-zA-Z0-9_] and unicode word characters grinnz <*:##NULL>
3587 \w is \w matches [a-zA-Z0-9_] perlbot <*:##NULL>