Regex Examples
1.20.4 - Paper (Default)
Achievements
^\[\d{2}:\d{2}:\d{2} INFO\]: (.*) has (made the advancement|completed the challenge) \[(.*)\]$
Chat
^\[\d{2}:\d{2}:\d{2}\sINFO\]: (?!\[(?:Server|Rcon)\])(?:<|\[)(\w+)(?:>|\]) (.*)
Join
^\[\d{2}:\d{2}:\d{2} INFO\]: ([^<\n]+) joined the game$
Leave
^\[\d{2}:\d{2}:\d{2} INFO\]: ([^<\n]+) left the game$
Server
^\[\d{2}:\d{2}:\d{2} INFO\]:(?: \[Not Secure\])? \[(?:Server|Rcon)\] (.*)
1.20.1 - Forge
Achievements
^\[\d{2}:\d{2}:\d{2}\] \[Server thread\/INFO\] \[minecraft\/MinecraftServer\]: (.*) has (made the advancement|completed the challenge) \[(.*)\]$
Chat
^\[\d{2}:\d{2}:\d{2}\] \[Server thread\/INFO\] \[minecraft\/MinecraftServer\]: (?!\[(?:Server|Rcon)\])(?:<|\[)(\w+)(?:>|\]) (.*)
Join
^\[\d{2}:\d{2}:\d{2}\] \[Server thread\/INFO\] \[minecraft\/MinecraftServer\]: ([^<\n]+) joined the game$
Leave
^\[\d{2}:\d{2}:\d{2}\] \[Server thread\/INFO\] \[minecraft\/MinecraftServer\]: ([^<\n]+) left the game$
Server
^\[\d{2}:\d{2}:\d{2}\] \[Server thread\/INFO\] \[minecraft\/MinecraftServer\]: \[(?:Server|Rcon)\] (.*)