@echo off
for /f "tokens=*" %%a in (input.txt) do @echo %%a|find /v /i "2">>output.txt
pause
复制代码

findstr /v /c:"2" input.txt >output.txt
复制代码

@echo off
for /f "tokens=*" %%a in (input.txt) do （
   if "%%a neq *2*" echo %%a>>output.txt
pause
复制代码

sed "/2/d" a.txt >b.txt
复制代码

gawk "!/2/" a.txt >b.txt
复制代码

findstr /v /c:"/xinwen/" /c:"/ditu/" /c:"/news/" input.txt >output.txt
复制代码

sed "/xinwen\|ditu\|news/d" a.txt >b.txt
复制代码

findstr /v "xinwen ditu news" a.txt >b.txt
复制代码