@prefix pq: <http://www.wikidata.org/prop/qualifier/> .
@prefix ps: <http://www.wikidata.org/prop/statement/> .
@prefix wds: <http://www.wikidata.org/entity/statement/> .
@prefix wikibase: <http://wikiba.se/ontology#> .

wds:P5910-b6bc3115-4e1f-d4f5-7fa8-0f8b8b809bfc a wikibase:BestRank ;
    wikibase:rank wikibase:NormalRank ;
    pq:P2916 "numeric string, 8 digits"@en ;
    ps:P1793 "\\d{8}" .