本文共 1172 字，大约阅读时间需要 3 分钟。

print(string.find("Hellow world","l",4 )) --44

截取字符串

info = "我是小菜鸟"local str = string.sub(info,index,endIndex)-- info  字符串信息--index 开始截取的字的索引--endIndex 结束时的索引 print(string.sub(info,1,6))--我是print(string.sub("Hellowworld",1,3 )) --Hel

print(string.find( "5898{5wd","{",1,true )) --5 5

print(string.gsub("5898{5wd","wd" ,"666"))

function string.split(input, delimiter)    if not input or string.len(input) == 0 or not delimiter or string.len(delimiter) == 0 then        return {
   }    end    input = tostring(input)    delimiter = tostring(delimiter)    local pos, arr = 0, {
   }    for st, sp in function()        return string.find(input, delimiter, pos, true)    end do        table.insert(arr, string.sub(input, pos, st - 1))        pos = sp + 1    end    table.insert(arr, string.sub(input, pos))    return arrendlocal tab=string.split("dfd[pf[gpl","[")for i=1,#tab do    print(tab[i])end

05.string.gmatch

local str = "123=sd456=,ff,45="local str1 = string.gmatch(str, "(%d+)") print(str1())    -- 123print(str1())    -- 456print(str1())    -- 45local s="some-s-tring-" local words={
   }for w in string.gmatch( s,"(%a+)-") do    print(w)endsomestring

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