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Asked: 2026-05-13T10:37:48+00:00

I am trying to write a regex string to match a string revived from

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I am trying to write a regex string to match a string revived from an IRC channel.

The message will be in the format “!COMMAND parameters”; the only command that is built by the system so far is repeat.

The regex I am using looks like this:

/![repeat] (.*?)/

When other commands are added it will look like:

/![cmd1|cmd2|cmd3] (.*?)/

It does not seem to be matching the right things in the string. Can anyone offer any input on this?

It appears that I need to add some basic regex stuff.

() brackets return data, [] matches but does not return.

Swapping to () does not work either.

The IRC program I am writing has a dynamic number of commands, so far I have only added “repeat” so the command pattern is “[repeat]”. If I added “say”, it would be “[repeat|say]”.

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1 Answer

  1. Editorial Team

    Use the parentheses for grouping:

    /!(cmd1|cmd2|cmd3) (.*)/

    The brackets […] denote a character class describing just one character out of a set of characters.

    You should also not use a non-greedy .* as the minimal match of .*? is an empty string.

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