5 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST
Test a regular expression against text; returns match status, capture groups and span.
Replace regular expression matches in text, with an optional max-replacement count.
Test a regular expression against text and return every match with numbered and named capture groups. Deterministic.
Apply one regular expression to a text blob on the server and return every match with its index and capture groups. Deterministic, so the same input always returns the same answer. Useful for log triage, field extraction...