tldr/pages/windows/findstr.md

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# findstr
> Find specified text within one or more files.
> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/findstr>.
- Find space-separated string(s) in all files:
`findstr "{{query}}" *`
- Find space-separated string(s) in a piped command's output:
`{{dir}} | findstr "{{query}}"`
- Find space-separated string(s) in all files recur[s]ively:
`findstr /s "{{query}}" *`
- Find strings using a case-insensitive search:
`findstr /i "{{query}}" *"`
- Find strings in all files using regular expressions:
`findstr /r "{{expression}}" *`
- Find a literal string (containing spaces) in all text files:
`findstr /c:"{{query}}" *.txt`
- Display the line number before each matching line:
`findstr /n "{{query}}" *`
- Display only the filenames that contain a match:
`findstr /m "{{query}}" *`