Restrict recursive search to certain extensions.
Section: Recursive Search
Only search matching file names
bash
bash
grep -R --include='*.ts' 'useEffect' src/Explanation
Helpful for codebases containing mixed file types.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing Recursive Search
Recursive search with line numbers
Show file names and line numbers for matches.
Use extended regex
Enable `+`, `?`, and alternation without heavy escaping.