Module:Util/strings/split

split(str, [pattern])

A performant alternative to mw.text.split.

Parameters

• str

• [pattern="%s*,%s*"]

Returns

• A table of the split strings.

Examples

#	Input	Output	Result
1	split(" foo, bar,baz ")	{" foo", "bar", "baz "}
2	split("foo bar baz", " ")	{"foo", "bar", "baz"}
Support for Unicode strings
3	split("アイウエオ", "")	{"ア", "イ", "ウ", "エ", "オ"}
4	split("グタンバチの祠, インイサの祠")	{"グタンバチの祠", "インイサの祠"}

---

local function split(text, pattern)
	pattern = pattern or "%s*,%s*"
	local ret = {}

	if pattern == "" then
		for m in string.gmatch(text, "([%z\1-\127\194-\244][\128-\191]*)") do
          ret[#ret+1] = m
		end
		return ret
	end

	local i = 1
	while true do
		local startIndex, endIndex = string.find(text, pattern, i)
		local s = string.sub(text, i, startIndex and startIndex-1)
		table.insert(ret, s)
		if startIndex == nil then
			break
		end
		i = endIndex+1
	end
	return ret
end

return split