pattern constant
IRI for schemahttp:pattern [Expects: http://schema.org/DefinedTerm, http://schema.org/Text]
A pattern that something has, for example 'polka dot', 'striped', 'Canadian flag'. Values are typically expressed as text, although links to controlled value schemes are also supported.
Can be used on: http://schema.org/CreativeWork, http://schema.org/Product
Implementation
static const pattern = IriTerm.prevalidated('http://schema.org/pattern');