Command option Sample:findstr /D

Search command sample in the internet.It is the result.

findstr /D オプション

findstr /d:wp-admin
    grep for Windows – findstr – 4sysops :
findstr /d:[directory] /m [string] [files]
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findstr /d:[directory] /m [string] [files] - Where files is the file type Example: C:\> findstr /s /d:c:\windows /m mp3
    Command Prompt | Itkb Wikia | FANDOM powered by Wikia :
findstr /d /s "Hello" \\Testing
    windows - searching a directory using Findstr in perl - Stack Overflow :
findstr /d: ................ etcetera ...
    DISM Successful Scannow Fail | Windows 10 Forums :

findstr のオプション一覧