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Simulate Regex match guards in functions - Elixir Questions - Elixir Forum

Simulate Regex match guards in functions

Hi, I’m writing a chat bot which needs to reply to user input. My current code is something like this: def reply(msg) do cond do: String.match?(msg, ~r/hi/) -> "Hello user!" String.match?(msg, ~r/bye/) -> "Bye user!" String.match?(msg, ~r/name/) -> "My name is Chatbot" true -> "Sorry, I didn't understand you" end end You can see that this scales poorly. I’d like to create multiple reply(msg) functions with a kind of guard that matches the regex. def reply(msg) when Stri…