Cómo funciona
- 1Paste text or open a UTF-8 text file.
- 2Enter a literal term or regular expression and choose the grep-style options.
- 3Inspect, copy or download the filtered output.
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BROWSER · Unix-style line filtering and regex matching (JavaScript)
Filtro de Texto Grep
Grep Text Filter
Use a browser-based grep simulator to find matching lines, invert the match, show line numbers or context, and download the final text without uploading your file.
✓ Browser-local grep-style filtering✓ Literal text or regular expressions✓ Inverted matches, line numbers and context
Acerca de esta herramienta
A local grep-style text filter for searching line by line with literal text or JavaScript regular expressions. It supports inverted matches, context, line numbers, matching fragments and downloadable output.
Usos comunes
grep onlinegrep simulatorgrep regexfind matching lines
Preguntas frecuentes
Does the file leave my browser?
No. Text processing takes place locally in the browser.
Can I search with regular expressions?
Yes. Switch the pattern type to regular expression.
Can I show lines that do not match?
Yes. Enable inverted matching.
Can I include nearby context?
Yes. Choose the number of lines before or after each match.
Is this the system grep command?
It is a browser-side simulation of common grep filtering behavior, not a shell process.