Regex Tester for Log Parsing
Your data never leaves your browserLog files follow specific formats regex can parse. Test against real log lines.
Example
Pattern: ^(\\S+) .* \\[(.*?)\\] \"(\\w+) (\\S+)\" (\\d{3})\n\n192.168.1.42 - [13/Apr/2026:10:30] \"GET /api\" 200Tips
- 1Named groups for readability.
- 2Test edge cases.
- 3Log parsers for production.
Frequently Asked Questions
Apache format?
Well-known pattern with 11 capture groups.
Multiline?
Enable multiline flag.
Regex or tool?
Regex for analysis. Logstash for production.