// 用指定字符或字符串分割输入字符串，返回包含分割结果的数组

// @function [parent=#string] split

// @param string input 输入字符串

// @param string delimiter 分割标记字符或字符串

// @return array#array  包含分割结果的数组

/*

用指定字符或字符串分割输入字符串，返回包含分割结果的数组

local input = "Hello,World"

local res = string.split(input, ",")

-- res = {"Hello", "World"}

local input = "Hello-+-World-+-Quick"

local res = string.split(input, "-+-")

-- res = {"Hello", "World", "Quick"}

*/

function string.split(input, delimiter)

    input = tostring(input)

    delimiter = tostring(delimiter)

    if (delimiter=='') then return false end

    local pos,arr = , {}

    -- for each divider found

    for st,sp in function() return string.find(input, delimiter, pos, true) end do

        table.insert(arr, string.sub(input, pos, st - ))

        pos = sp + 

    end

    table.insert(arr, string.sub(input, pos))

    return arr

end