@prefix ex:<https://purl.expasy.org/sparql-examples/neXtProt/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <https://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
ex:NXQ_09431 a sh:SPARQLExecutable, sh:SPARQLSelectExecutable ;
  sh:prefixes _:sparql_examples_prefixes ;
  rdfs:comment '''Check there are no entries with a gene name which does not contain a capital letter or is not "unknown"'''@en ;
  schema:keywords "QC", "gene name" ;
  schema:target <https://sparql.nextprot.org/sparql> ;
  sh:select '''PREFIX : <http://nextprot.org/rdf/>
PREFIX cv: <http://nextprot.org/rdf/terminology/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

select distinct ?entry ?name where {
  ?entry :gene / :name / rdfs:label ?name .
   filter (!regex (?name,'[A-Z]'))
   filter (!regex (?name,'unknown'))
}''' .