function zsplit(strn, chars)
function stringPatch(str)
--格式化输入包含特殊符号的分割字符
local str_p = str: gsub("%)", "% %)")
: gsub("%(", "%%(")
: gsub("%[", "%%[")
: gsub('%]', '%%]')
: gsub('%:', '%%:')
: gsub('%;', '%%;')
: gsub('%+', '%%+')
: gsub('%-', '%%-');
return str_p;
end
function jbyteCount(jstr)
local lenInByte = #jstr;
local tbyteCount = {};
local totallen = 0;
for i = 1, lenInByte do
--计算传入的字符串的每一个字符长度
local curByte = string.byte(jstr, i);
local byteCount = 0;--这里的初始长度设为0
if curByte > 0 and curByte <= 127 then
byteCount = 1
elseif curByte >= 192 and curByte < 223 then
byteCount = 2
elseif curByte >= 224 and curByte < 239 then
byteCount = 3
elseif curByte >= 240 and curByte <= 247 then
byteCount = 4
end
table.insert(tbyteCount,byteCount);
totallen = totallen + byteCount;
end
-- print('totallen长度:',totallen);
return totallen,tbyteCount;
end
--第二参数可省略 此时默认每个字符分割
if not chars then
chars = ''
end
--没有第一参数或为空值时报错
if not strn then
return "zsplit 错误: #1 nil 参数1为空值!";
end
local strSun = {};
if chars == '' then
--[[当默认每个字符分割时的补充方案.
因为遇到分割中文时,因为长度问题导致分割错误
]]
local lenInByte = #strn;
local width = 0
local fuckn = 0
for i = 1, lenInByte do
--计算传入的字符串的每一个字符长度
local curByte = string.byte(strn, i);
local byteCount = 1;
if curByte > 0 and curByte <= 127 then
byteCount = 1
elseif curByte >= 192 and curByte < 223 then
byteCount = 2
elseif curByte >= 224 and curByte < 239 then
byteCount = 3
elseif curByte >= 240 and curByte <= 247 then
byteCount = 4
end
local char = string.sub(strn, i, i + byteCount - 1)
fuckn = i + byteCount - 1;
if (i~= fuckn or curByte < 127) then
table.insert(strSun, char)
end
if (i == #strn) then
return strSun
end
end
else
--endsign结束标志
local endsign = 1;
local ongsubs, gsubs = string.gsub(strn,stringPatch(chars), chars)
print('\n替换结束:',ongsubs,
'\n替换次数:',gsubs,
'\n源字符串:',strn,
'\n格式化匹配条件:',stringPatch(chars),
'\n源匹配条件',chars)
for i = 0,gsubs do
local wi = string.find(ongsubs, stringPatch(chars));
--print('匹配条件所在位置:',wi);
if (wi == nil) then
--当没有匹配到条件时 截取当前位置到最后一个位置
wi = -1
endsign = 0;
end
local acc = string.sub(ongsubs, 1, wi-endsign)
table.insert(strSun,acc)-- (string.gsub(acc, stringPatch(chars), '')));
ongsubs = string.sub(ongsubs, wi + jbyteCount(chars), -1);
end
end
return strSun
end
###用法:
zsplit(需要分割的字符串[string],分割条件[string])
##如果有写错或者可以优化的地方,望指出!
lua — Jan 2, 2020