@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

qudt:pattern a rdf:Property,
        owl:DatatypeProperty,
        owl:FunctionalProperty ;
    rdfs:label "pattern" ;
    dcterms:description "A pattern is a constraint on the value space of a datatype which is achieved by constraining the lexical space to literals which match a specific pattern. The value of pattern must be a regular expression." ;
    rdfs:isDefinedBy <http://qudt.org/3.2.1/schema/datatype>,
        <http://qudt.org/3.2.1/schema/shacl/datatype> ;
    rdfs:range xsd:string .