Regex Tester for Logs

Test regex patterns against real log output. Paste your logs, enter a pattern, and hit Test Regex.

Load sample:
/
/
2 matches found
Line 1192.168.1.1 - - [25/Feb/2026:10:15:32 +0000] "GET /api/users HTTP/1.1" 200
$1: 192.168.1.1$2: 25/Feb/2026:10:15:32 +0000$3: GET$4: /api/users$5: 200
Line 310.0.0.5 - - [25/Feb/2026:10:15:34 +0000] "GET /health HTTP/1.1" 200
$1: 10.0.0.5$2: 25/Feb/2026:10:15:34 +0000$3: GET$4: /health$5: 200

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