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);
}
}