Tools

Regex Tester

Test expressions against sample text and review the matches quickly during detection or parsing work.

False-positive checks

Test patterns against useful noise before using them in hunts or detections.

Identifier lookalikes

CVE, ticket, build, and case-number patterns can accidentally match inventory IDs, changelog text, internal request IDs, or placeholder examples.

Domain and path noise

Domain, URL, and file-path patterns often catch documentation links, vendor support pages, CDN paths, package mirrors, and benign updater traffic.

Log volume risk

Broad wildcards, unanchored tokens, and greedy groups can match too much text or perform poorly on large logs. Test small, then widen carefully.

Regex results

Match groups and counts will appear here.