using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"\AX{2}-X{6}\z|\A(C?((0[1-9])|(1[0-2])))-[0-4][0-9A-Z]{4}[14]\z";
string input = @"XX-XXXXXX";
RegexOptions options = RegexOptions.ExplicitCapture;
Match m = Regex.Match(input, pattern, options);
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