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http://example.org/boardgame-ontology#UniqueURLConstraint leaf node

URI

http://example.org/boardgame-ontology#UniqueURLConstraint

Label

UniqueURLConstraint

Implementation

@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://example.org/boardgame-ontology#UniqueURLConstraint> a sh:PropertyShape ;
    sh:maxCount 1 ;
    sh:message "Value must be a valid URL." ;
    sh:minCount 1 ;
    sh:path <http://example.org/boardgame-ontology#hasURL> ;
    sh:pattern "^(https?://[a-zA-Z0-9.-]+\\\\.[a-zA-Z]{2,})?$" ;
    sh:unique true .