var pattern_delims_gen = ':\\/\\?#\\[\\]@';
var pattern_delims_sub = '!\\$&\'\\(\\)\\*\\+,;=';
var pattern_reserved = pattern_delims_gen + pattern_delims_sub;
var pattern_unreserved = 'A-Z0-9-\\._~';
var pattern_pctencoded = '%[A-Fa-f]{2}';
var pattern_pchar = '([:@' + pattern_unreserved + pattern_delims_sub + ']|' + pattern_pctencoded + ')';
var pattern_decoctet = '([0-9]|[1-9][0-9]|2[0-4][0-9]|25[0-5])';
var pattern_segment = pattern_pchar + '*';
var pattern_segment_nz = pattern_pchar + '+';
var pattern_segment_nznc = '([@' + pattern_unreserved + pattern_delims_sub + ']|' + pattern_pctencoded + ')+';

var part_scheme = '[A-Za-z][A-Za-z0-9\\+\\-\\.]*';

var part_userinfo = '([:' + pattern_unreserved + pattern_delims_sub + ']|' + pattern_pctencoded + ')';
var part_host_ipv4 = pattern_decoctet + '\\.' + pattern_decoctet + '\\.' + pattern_decoctet + '\\.' + pattern_decoctet;
var part_host_ipliteral_ipv6 = '';
var part_host_ipliteral_future = 'v[A-Fa-f]+\\.[:' + pattern_unreserved + pattern_delims_sub + ']+';
var part_host_ipliteral = '\\[(' + part_host_ipliteral_ipv6 + '|' + part_host_ipliteral_future + ')\\]';
var part_host_regname = '([' + pattern_unreserved + pattern_delims_sub + ']|' + pattern_pctencoded + ')';
var part_host = '(' + part_host_ipliteral + '|' + part_host_ipv4 + '|' + part_host_regname + ')';
var part_port = '[0-9]*';
var part_authority = '(' + part_userinfo + '@)?' + part_host + '(:' + part_port + ')?';

var part_path_abempty = '(\\/' + pattern_segment + ')*';
var part_path_absolute = '\\/' + pattern_segment_nz + part_path_abempty;
var part_path_noscheme = pattern_segment_nznc + part_path_abempty;
var part_path_rootless = pattern_segment_nz + part_path_abempty;
var part_path_empty = '';

var part_hier = '(' +
    '\\/\\/' + part_authority + part_path_abempty + '|' +
    part_path_absolute + '|' +
    part_path_rootless + '|' +
    part_path_empty +
')';

var part_query = '(' + pattern_pchar + '|[\\/\\?])*';
var part_fragment = '(' + pattern_pchar + '|[\\/\\?])*';

var uriPattern = part_scheme + ':' + part_hier + '\\?(' + part_query + ')?(#' + part_fragment + ')?';
document.write(uriPattern);

//[A-Za-z][A-Za-z0-9\+\-\.]*:(\/\/(([:A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2})@)?(\[(|v[A-Fa-f]+\.[:A-Z0-9-\._~!\$&'\(\)\*\+,;=]+)\]|([0-9]|[1-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|2[0-4][0-9]|25[0-5])|([A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2}))(:[0-9]*)?(\/(([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2}))*)*|\/(([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2}))+(\/(([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2}))*)*|(([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2}))+(\/(([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2}))*)*|)\?((([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2})|[\/\?])*)?(#(([:@A-Z0-9-\._~!\$&'\(\)\*\+,;=]|%[A-Fa-f]{2})|[\/\?])*)?