Test, validate and match regular expressions
Parses nginx access log lines into named capture groups: client IPv4 address, domain, request timestamp (dd/Mon/yyyy:HH:mm:ss +ZZZZ format), HTTP method, requested URL, protocol version, response status code, and bytes transferred. Ideal for log analysis pipelines, monitoring dashboards, or extracting structured fields from web server logs. Uses PCRE named groups for easy field access.