If I read this post correctly (Blocking via regex now available in FTLDNS) this feature is on the beta now, and I'm on that branch (Pi-hole Version vDev (FTLDNS, v3.3-181-ga7e7680) Web Interface Version vDev (FTLDNS, v3.2.1-195-g4355bde2) FTL Version vDev (FTLDNS, vDev-5ecab0a).
I haven't done regular expressions and grep in about 30 years. What would be the correct BLOCKINGREGEX command to block these domains - www.example.com, www.example.org, www.example.net?
Would this do it (would block "www.example" followed by any domain)? I couldn't figure out how to narrow the domains to .com, .net and .org.
BLOCKINGREGEX=^www.example.*$