C#正则表达式示例1

using System;
using System.Text.RegularExpressions;

namespace RegExApplication {

   class Program {

      private static void showMatch(string text, string expr) {
         Console.WriteLine("The Expression: " + expr);
         MatchCollection mc = Regex.Matches(text, expr);
         foreach (Match m in mc) {
            Console.WriteLine(m);
         }
      }

      static void Main(string[] args) {
         string str = "A Thousand Splendid Suns";

         Console.WriteLine("Matching words that start with 'S': ");
         showMatch(str, @"/bS/S*");
         Console.ReadKey();
      }
   }
}