sed -E -e "s/(码：[0-9a-z]+)/\1\n/gi" -e "s/ ([0-9]{4} )/\1/g" 1.txt>2.txt
复制代码

sed --locale=zh_cn.utf8 -E -e "s/(码：[0-9a-z]+)/\1\n/gi" -e "s/ ([0-9]{4} )/\1/g" 1.txt>2.txt
复制代码

@echo off &setlocal
(for /f "delims=" %%s in (1.txt) do set "b=%%s" &call :xxx)>2.txt
endlocal&pause&exit/b
:xxx
   for /f "tokens=1* delims=：" %%a in ("%b%") do (set "a=%%a"&set "b=%%b")
   if "%a:~-1%"=="码" (set/p="%a%：%b:~,4%"<nul&echo,&set "b=%b:~5%") else (set/p="%a%："<nul)
   if "%b%"=="" (exit/b) else goto :xxx
复制代码

@echo off &chcp 65001>nul &setlocal
复制代码