Im mainly confused on the text inside the match function, I looked on the wiki and could not find anything. Can anyone give me a explanation to what the characters mean?
The function string.match() takes a pattern string. Lua uses its own string patterns instead of Regex. You can read more in the official docs.
That pattern looks like it matches a string that begins with (^) any string of any characters (.+) that might be followed by any or no (*) space characters (%s) before ending ($).
It seems pretty useless because (.+) will match everything?
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Since only the .+ is captured using the () then this pattern is actually a tokenizer matching every word and throwing out whitespace.
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