tv4-formats
JSON →tv4-formats (v3.0.6) provides common JSON Schema string format constraints as tv4 validator callbacks. It is a plug-in for the tv4 JSON Schema validator. Supports formats: credit-card-number, date, date-time, duration, time-offset, email, guid, uri, url. Last updated in 2020, no active development. Alternative is ajv-formats for the AJV validator.