Module talk:String

function p.split(inputstr, sep, no_pattern, ignore_null)
	--#invoke 支援
	if type(inputstr) == type({table}) then
		if not getArgs then getArgs = require('Module:Arguments').getArgs end
		args = getArgs(inputstr, {parentFirst=true})
		for arg_name, arg_value in pairs( args ) do
			if arg_name == 1 or arg_name == '1' or arg_name == "str" or arg_name == "inputstr" or arg_name == "input" then
				input_str = arg_value
			elseif arg_name == 2 or arg_name == '2' or arg_name == "sep" or arg_name == "separator" then
				separ = arg_value
			elseif arg_name == 3 or arg_name == '3' or arg_name == "no_pattern" or arg_name == "no pattern" then
				no_pattern_flag = arg_value
			elseif arg_name == 4 or arg_name == '4' or arg_name == "ignore_null" or arg_name == "ignore null" then
				ignore_null_flag = arg_value
			elseif arg_name == 5 or arg_name == '5' or arg_name == "format" then
				format = arg_value or "*{{{1}}}\n";
			end
		end
		if not yesno then yesno = require('Module:Yesno') end
		no_pattern_flag = yesno( no_pattern_flag or 'yes' )
		ignore_null_flag = yesno( ignore_null_flag or 'no' )
		is_invoke = true
		format = mw.ustring.gsub(format or "*{{{1}}}\n", "%{%{%{.-%}%}%}", "%%s" );
		it = mw.ustring.find(format, "%%s", 1)
		if it == nil then format = format .. "%s" end
		format = mw.ustring.gsub(format, "\\n", "\n")
	else
		input_str = inputstr
		separ = sep
		no_pattern_flag = no_pattern
		ignore_null_flag = ignore_null
		is_invoke = false
	end
	input_str = input_str or '' 
	separ = separ or "%s"
	if no_pattern_flag == nil then no_pattern_flag = true end
	if ignore_null_flag == nil then ignore_null_flag = false end

	mw.log(no_pattern_flag, ignore_null_flag);
	length = mw.ustring.len(input_str)
	--split函數起點
	if no_pattern_flag then
		separ = mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(mw.ustring.gsub(separ, 
			"%[", "%["), "%]", "%]"), "%{", "%{"), "%}", "%}"), "%%", "%%%%"), "%)", "%)"), "%-", "%-"),
			"%^", "%^"), "%$", "%$"), "%(", "%("), "%.", "%."), "%*", "%*"), "%+", "%+"), "%|", "%|");
	end
	iterator = 1 ; i = 1 ; flag = true
	result = {}
	separ_str_begin, separ_str_end = mw.ustring.find(input_str, separ, iterator)
	--
	debug1 = 1
	--
	while flag do
		debug1 = debug1 + 1
		if separ_str_begin == nil or iterator > length or debug1 >= 100 then
			separ_str_begin = 0
			separ_str_end = -2
			flag = false
		end
		if separ_str_end < separ_str_begin then separ_str_end = separ_str_begin end
		mw.log(separ_str_begin, separ_str_end, iterator)
		finded_str = mw.ustring.sub(input_str, iterator, separ_str_begin - 1)
		if not(mw.text.trim(finded_str) == '' and ignore_null_flag) then
			result[i] = finded_str
			mw.log("\"" .. result[i] .. "\"")
			i = i + 1
		end

		iterator = separ_str_end + 1
		separ_str_begin, separ_str_end = mw.ustring.find(input_str, separ, iterator)
	end
	if is_invoke then
		body = ''
		for i, result_str in pairs( result ) do
			body = body .. mw.ustring.gsub(format, "%%s", result_str)
		end
		return body
	end
	return result;
end