This is the revision history for regex escaping in <matrix.org:#rAnyijhRxzFRfdjSHl:matrix.org>

factoid_idsubjectcopulapredicateauthornamespace
16079 regex escaping is https://stackoverflow.com/questions/56554/what-is-the-proper-regular-expression-for-an-unescaped-backslash-before-a-charac/56671#56671 jaggz <*:##NULL>