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, 1, 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