new RegexCompilationInfo(@”^d{4}$”,RegexOptions.Compiled, “PinRegex”, “”, true)

   
 

using System;
using System.Reflection;
using System.Text.RegularExpressions;

    class MainClass
    {
        public static void Main()
        {
            RegexCompilationInfo[] regexInfo = new RegexCompilationInfo[2];
            regexInfo[0] = new RegexCompilationInfo(@"^d{4}$",RegexOptions.Compiled, "PinRegex", "", true);
            regexInfo[1] = new RegexCompilationInfo(@"^d{4}-?d{4}-?d{4}-?d{4}$",RegexOptions.Compiled, "CreditCardRegex", "", true);
            AssemblyName assembly = new AssemblyName(); 
            assembly.Name = "MyRegEx";

            Regex.CompileToAssembly(regexInfo, assembly);
       }
 }