The 'duration' format. Validates that a string represents a duration according to RFC 3339, Appendix A.
JSON Schema Core, section 7.3.1
Returns a Boolean value that indicates whether or not a pattern exists in a searched string.
String on which to perform the search.
The 'duration' format. Validates that a string represents a duration according to RFC 3339, Appendix A.
See
JSON Schema Core, section 7.3.1