22. Virtuoso Functions Guide - DB.DBA.RDF_REGEX

SQL>SELECT DISTINCT DB.DBA.RDF_QNAME_OF_IID ( /*retval[*/  "s-1-1-t0"."S" /* R */ /*]retval*/ ) AS /*tmpl*/ "R"
FROM DB.DBA.RDF_QUAD AS "s-1-1-t0"
WHERE /* filter */
    DB.DBA.RDF_REGEX ( DB.DBA.RDF_QNAME_OF_IID ( /*retval[*/  "s-1-1-t0"."S" /* R */ /*]retval*/ ), 'http://example.org/' )
OPTION (QUIETCAST)
VARCHAR
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http://example.org/ns#y3
http://example.org/things#xp2
http://example.org/ns#a
http://example.org/book/book1
http://example.org/books#book1
http://example.org/books#book2
http://example.org/books#book4
http://example.org/books#book3
http://example.org/book/book2
http://example.org/ns#x2
http://example.org/things#xp1
http://example.org/ns#x3
http://example.org/things#xt1
http://example.org/ns#y1
http://example.org/ns#y2
13 Rows. -- 30 msec.