public static Iterator<Property> search(final TinkerGraph graph, final String regex) {
        return search(graph, regex, Optional.empty());
    }
Search for {@link Property}s attached to any {@link Element} using the supplied regex. This
is a basic scan+filter operation, not a full text search against an index.
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerHelper.java