count_fragments         Count fragments in URLs
count_hosts             Count different hosts found in URLs
count_param_names       Count different parameter names in query
                        strings
count_param_values      Count different values for a specified
                        parameter across query strings
count_path_segments     Count occurrences of specific path segments at
                        a given index
count_paths             Count different paths found in URLs
count_ports             Count different port numbers used in URLs
count_queries           Count the occurrence of query strings in URLs
count_schemes           Count different schemes used in URLs
count_userinfos         Count occurrences of userinfo in URLs
extract_file_extension
                        Extract file extension from URLs or paths
extract_fragment        Extract the fragment from URL
extract_host            Extract the host from URL
extract_param_value     Extract the value of a specified parameter from
                        the query string
extract_path            Extract the path from URL
extract_path_segment    Extract a specific segment from a path
extract_port            Extract the port number from URL
extract_query           Extract the query from URL
extract_scheme          Extract the scheme from URL
extract_userinfo        Extract userinfo from URL
split_host              Split host into subdomains and domain
split_path              Split path into segments
split_query             Split query into parameters
split_url               Split URL into its constituent parts
websitepages            Sample web site URLs
