let is_rdf_uri uri = Pcre.pmatch ~pat:"^helm:rdf(.*):(.*)//(.*)" uri
let is_xsl_uri uri = Pcre.pmatch ~pat:"^\\w+\\.xsl" uri
let is_rdf_uri uri = Pcre.pmatch ~pat:"^helm:rdf(.*):(.*)//(.*)" uri
let is_xsl_uri uri = Pcre.pmatch ~pat:"^\\w+\\.xsl" uri
let rec http_getter_uri_of_string = function
| uri when is_rdf_uri uri ->
(match Pcre.split ~pat:"//" uri with
let rec http_getter_uri_of_string = function
| uri when is_rdf_uri uri ->
(match Pcre.split ~pat:"//" uri with