Modul:string/charsetEscape

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Laman modul ini kekurangan sublaman pendokumenan. Sila cipta laman pendokumenan tersebut.

Pautan berguna: akar laman • sublaman akar laman • pautan • transklusi • kes ujian • kotak pasir

local gsub = string.gsub

local chars
local function get_chars()
	chars, get_chars = {
		["\000"] = "%z", ["%"] = "%%", ["-"] = "%-", ["]"] = "%]", ["^"] = "%^",
	}, nil
	return chars
end

--[==[Escapes the magic characters used in pattern character sets: {%-]^}, and converts the null character to {%z}.]==]
return function(str)
	return (gsub(str, "[%z%%%-%]^]", chars or get_chars()))
end