WHY

set command=" ipconfig /all | findstr /i /b /r /c:" *DNS Servers" /c:" *DNS 服务器" /c:" *[0-9]" "
for /f "tokens=1* delims=:" %%a in ('%command%') do (
    if "%%b" == "" (set 备用=%%a) else (set 首选=%%b)
)
echo;%首选: =%
echo;%备用: =%
pause
复制代码

WHY

回复 6# nssb123


    这样好了

@echo off
PowerShell "[string](ipconfig /all) -match '(?<=DNS 服务器)(?!DNS 服务器).*?((?:\d+\.){3}\d+) *((?:\d+\.){3}\d+)'|%%{$matches[1],$matches[2]}"
pause
复制代码