Wikipedia talk:Long-term abuse/Bertrand101

Username filter?
Would it be possible to regex usernames resembling Philippine radio station callsigns and block or at least flag them for admin intervention? That could at least slow him down if not outright cut him off from continuing on his ten-year hoaxing spree. As to how is he doing this for so long is beyond me. Blake Gripling (talk) 23:23, 21 July 2018 (UTC)