using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\(\?\(DEFINE\)(?<definition>(?<=(?:[^\\](?:\\\\)+)|[^\\])\(\?\<(?<name>[\w-[0-9]]\w*?)\>(?<content>(?#internals shallow)(?:(?:(?<=(?:[^\\](?:\\\\)+)|[^\\])\[(?:(?<=(?:[^\\](?:\\\\)+)|[^\\])(?:\\\[|\\\])|[^\[\]])*(?<=(?:[^\\](?:\\\\)+)|[^\\])\])|(?:(?<=(?:[^\\](?:\\\\)+)|[^\\])\(\?(?:\!|\=|\:|\<\!|\<\=)(?#internals deep)(?:(?<=(?:[^\\](?:\\\\)+)|[^\\])(?:\\\(|\\\)|\\\[|\\\])|[^\(\)\[\]])+(?<=(?:[^\\](?:\\\\)+)|[^\\])\))|(?:(?<=(?:[^\\](?:\\\\)+)|[^\\])(?:\\\(|\\\)|\\\[|\\\])|[^\(\)\[\]]))+)(?<=(?:[^\\](?:\\\\)+)|[^\\])\))*(?<=(?:[^\\](?:\\\\)+)|[^\\])\)";
string input = @"(?(DEFINE)(?<internal_name_char_s>[^\x85\n\r\v\t\\\/\:\*\""\?\<\>\|])(?<external_filesc_name_char_s>[^\x85\n\r\v\t\\\/\:\*\""\?\<\>\|\s])(?<external_folderesc_name_char_s>[^\x85\n\r\v\t\\\/\:\*\""\?\<\>\|\s\.])(?<folder_name_s>\g'external_filesc_name_char_s'\g'internal_name_char_s'{1,258}\g'external_filesc_name_char_s'|\g'external_folderesc_name_char_s'\g'external_filesc_name_char_s'|\g'external_filesc_name_char_s'\g'external_folderesc_name_char_s'|\g'external_folderesc_name_char_s')(?<extension_char_s>[a-z0-9])(?<extension_s>\g'extension_char_s'{1,260})(?<file_name_s>(?:\g'external_filesc_name_char_s'\g'internal_name_char_s'{1,258}\g'external_filesc_name_char_s'|\g'external_filesc_name_char_s'{1,2})(?=\.\g'extension_s'\Z))(?<ipv4_number_s>(?:[12]\d\d)|(?:\d\d)|(?:\d))(?<ipv4_s>(?:\g'ipv4_number_s'\.){3}\g'ipv4_number_s'(?:\:\d+)?)(?<named_drive_root_s>[a-z]\:\/)(?<file_protocol_root_s>file\:\/\/\/\g'named_drive_root_s')(?<smb_root_s>\/\/)(?<hyper_text_root_s>https?\:\/\/))(?#definition is complete)\A(?!\Z)(?<all_until_last_name>(?<root>(?<fixed_root>\/|\g'named_drive_root_s'|\g'file_protocol_root_s'|(?<remote_root>\g'smb_root_s'|\g'hyper_text_root_s')(?:(?<ipv4>\g'ipv4_s')(?:\/(?!\Z)|))?)|(?<relative_root>\.{1,2}\/(?:\.\.\/)*))?(?<body>(?:\g'folder_name_s'\/)*?))(?<last_folder_or_file_name>(?<file_full_name>(?<file_short_name>\g'file_name_s')\.(?:(?<shortcut_extension>lnk)|(?<remote_extension>url)|(?<general_extension>\g'extension_s'))(?!\/))|(?:(?<folder_name>\g'folder_name_s')\/?))?\Z";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx