Lua 分割字符串

function findStr(m_Str)
    local mStr = m_Str .. ","
    local tabNum = {}check

    while mStr do
        local len = string.len(mStr)
        local index = string.find(mStr,",")

        local findStr = string.sub( mStr,1,index - 1 )
        table.insert(tabNum,findStr)

        if index >= len then
            mStr = nil
            return tabNum
        end

        mStr = string.sub(mStr,index + 1,len)
    end

    return tabNum
end


local tableNew = findStr(" 1,3,4,5,6")
for i = 1,#tableNew do
    print(tableNew[i])
end