[注册表类] 请教批处理如何搜索一个注册表的键值作为一个变量？

@echo off
set "s1=DisplayName"
set "s2=21413181"
set "s3=UninstallString"
set "k=HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
for /f "delims=" %%i in ('reg query "%k%" /s^|findstr /ib HKEY') do (
        set "flag=" & set "var="
        for /f "tokens=1,2*" %%a in ('reg query "%%i"') do (
                if /i "%%a.%%c" == "%s1%.%s2%" set "flag=1"
                if /i "%%a" == "%s3%" set "var=%%c"
        )
        if defined flag if defined var goto :Next
)
pause & exit/b

:Next
echo,%var%
pause
复制代码

@set @n=0;/* & echo off
set "k=HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
set "Js=cscript -nologo -e:jscript"
for /f "tokens=2*" %%a in ('reg query %k% /s^|%Js% "%~0"') do set "var=%%b"
echo,%var%
pause & exit/b */

txt = WScript.StdIn.ReadAll() + "\r\nHKEY";
re = /^HKEY[\s\S]+?(?=^HKEY)/img;
while ((arr=re.exec(txt)) != null) {
        a = arr[0].match(/\bDisplayName\b +REG_SZ +(.*)\r\n/i);
        b = arr[0].match(/\bUninstallString\b.*\n/i);
        if (a && b) {
                if (a[1] == "Wolves (Application Proxy)") {
                        WScript.Echo(b[0]); break
                }
        }
}
复制代码

a = arr[0].match(/\bDisplayName\s+REG_SZ\s+(.*)\r\n/i);
复制代码