select
(strlen("chat") as ?strlen)
(substr("foobar", 4) as ?substr)
(ucase("foo") as ?ucase)
(lcase("FOO") as ?lcase)
(strStarts("foobar", "foo") as ?strstarts)
(strEnds("foobar", "bar") as ?strends)
(contains("foobar", "bar") as ?contains)
(strbefore("abc","b") as ?strbefore)
(strafter("abc","b") as ?strafter)
(encode_for_uri("Los Angeles") as ?encode_for_uri)
(concat("foo"@en, "bar"@en) as ?concat)
(replace("abcd", "b", "Z") as ?replace)
(regex(substr("foobar", 4), "bar", "bar") as ?regex)
(regex(substr("foobar", 4, 1), "b", "b") as ?regex2)
where {
	?s ?p ?o .
    FILTER langMatches(lang(?o), "EN" )
} limit 1
