Pattern
/\b[1-5]\d{2}\b/Sample text
GET / 200 POST /api 201 error 404 port 8080Test this pattern in the editor
HTTP status codes
Three-digit status codes in access logs.
Related patterns
HTTP(S) URLs
Match protocol, host, and optional path/query.
Domain names
Simple FQDN matcher for hostnames in prose.
ISO dates
Find YYYY-MM-DD dates in logs and prose.
ISO date-time
ISO-8601 timestamps with optional timezone.
URL slugs
kebab-case slugs for routes and CMS paths.
IPv4 addresses
Octet-bounded IPv4 matcher for log scraping.