using System.Reflection;
using System.Text.RegularExpressions;
public class Program {
   static void Main() {
      string sExpression = "^[^0-9]*$";
      RegexCompilationInfo reci = new RegexCompilationInfo(
                  sExpression,
                  RegexOptions.Compiled,
                  "PasDeChiffres",
                  "CompiledExpressions",
                  true);
      RegexCompilationInfo[] recis = new RegexCompilationInfo[] {reci};
      AssemblyName assemblyName = new AssemblyName();
      assemblyName.Name = "Regex";
      Regex.CompileToAssembly(recis, assemblyName);
   }
}