C# String 檢查 Regular Expression Pattern

 
C# String 檢查 Regular Expression Pattern
 

 
   using System.Text.RegularExpressions;
 
   namespace WindowsFormsApplication1
   {
      public partial class Form1 : Form
      {
 
         … …
 
         private void Form1_Load(object sender, EventArgs e)
         {
            if (CheckString("user1@yahoo.com", "(?<user>)@(?<host>)"))
            {
               label7.Text = "Yes";
            }else{
               label7.Text = "No";
            }
         }
 
         private Boolean CheckString(String input, String Pattern)
         {
            Regex emailregex = new Regex(Pattern);
 
            Match m = emailregex.Match(input);
 
            return m.Success;
         }
      }
   }