Iterate on parsers safely
Pattern Tester supports regex and Grok macros so you can validate shipper configs and extraction rules against real sample lines before deploying.
How to use it
- Open Pattern Tester.
- Paste sample log lines and a regex or Grok pattern.
- Inspect capture groups and save profiles locally.
Try the tool
Open Log Studio and run this workflow entirely in your browser — free, private, no sign-up.
Open Pattern Tester