I have following SPARQL query which I am using with virtuoso and pyodbc I tried this :
queryUnicode = u"""
SELECT ?subject ?pred ?value
WHERE
{
?subject ?pred ?value.
FILTER ( regex(str(?value), 'abcd\\u00e9.*$', "i") )
}"""
But if gave following error and no results back.
18:10:13 INFO: ERRS_0 22023 SR375 Invalid argument 2 to rdf_regex_impl. Must be narrow or wide string or an complete string RDF box
Any idea what I am missing here?