DevsTool

100% Local

Regex Log Parser

Test regex against log lines and extract named capture groups — client-side

Pattern

//

31/500 chars

Log Input

554 / 50,000 chars

Results

3 matches

1192.168.1.100 - frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326

210.0.0.1 - - [11/Mar/2024:08:23:11 +0000] "POST /api/login HTTP/1.1" 401 128

32024-03-15T14:32:01 ERROR Failed to connect to database: timeout after 30s

GroupValue
levelERROR

42024-03-15 14:32:05 INFO Service started successfully on port 8080

GroupValue
levelINFO

52024-03-15 14:32:10 WARN Memory usage at 87% — consider scaling up

GroupValue
levelWARN

6{"level":"error","ts":"2024-03-15T14:33:01Z","msg":"connection refused","host":"db-primary"}

7{"level":"info","ts":"2024-03-15T14:33:05Z","msg":"request handled","path":"/health"}