nix0n.sql

CREATE OR REPLACE FUNCTION plv8_regexp_test(regexp text[2], subject text) RETURNS BOOLEAN AS $$ 
return (new RegExp(regexp[0], regexp[1])).test(subject);
$$ LANGUAGE plv8;

CREATE OR REPLACE FUNCTION plv8_regexp_test(regexp text, subject text) RETURNS BOOLEAN AS $$
BEGIN
RETURN plv8_regexp_test(ARRAY[regexp], subject);
END;
$$ LANGUAGE plpgsql;

SELECT id, date_added, name
FROM testable
WHERE plv8_regexp_test('^d', name);