# pemistahl/grex A command-line tool and Rust library with Python bindings for generating regular expressions from user-provided test cases. > https://github.com/pemistahl/grex ### defaultDiscordUrls ```bash grex "discord.gg/" "discord.com/invite/" "discordapp.com/invite/" ``` ### otherDiscordUrls ```bash grex "watchanimeattheoffice.com/invite/" "discordsays.com/invite/" ``` ### disboard ```bash grex "disboard.org/server/join/" "disboard.org/en/server/join/" "disboard.org/pl/server/join/" ``` ### discordMe ```bash grex "discord.me/server/join/" ``` ### discordhome ```bash grex "discordhome.com/join/" ```