sem.langMatches

sem.langmatchessemlangmatches

/apidoc/8.0/sem:langMatches.xml

Returns true if $lang-tag matches $lang-range according to the basic filtering scheme defined in RFC4647. This XQuery function backs up the SPARQL langMatches() function.

This function is a built-in.

The language tag.

lang-tag

String

The language range.

lang-range

String

Boolean

var triple = sem.triple(sem.iri("subject"), sem.iri("predicate"), "object");
sem.langMatches(sem.tripleSubject(triple), "fr");
=>
false