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); } }