Find Windows commands that contain a string in all files in a directory

Findstr can do the job.

FINDSTR/S/I "string" * *

The above command indicates that the string is found in all files in the current directory and all subdirectories of the current directory.

*. * represents all types of files.

/s represents the current directory and all subdirectories

/I means case insensitive

You can use this command by referencing the output interpretation of help findstr.

Attention:

Findstr.exe General in the C:\Windows\System32 directory, to invoke the command from any path, you need to add C:\Windows\System32 to the PATH environment variable

Find Windows commands that contain a string in all files in a directory