Einige updates darunter fixes und Link und Kopieren funktion

ChatController/ChatMainControl.xaml.cs

@@ -5,6 +5,7 @@ using System.IO;
 using System.Linq;
 using System.Net;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
@@ -31,8 +32,6 @@ namespace ChatController
     /// </summary>
     public partial class ChatMainControl : UserControl
     {
-
-
         private Chat _chat;
         private AktuellerKontakt _aktuellerKontakt;
 
@@ -867,6 +866,12 @@ namespace ChatController
 
         #endregion
 
-        
+        #region link request
+        private void Hyperlink_OnRequestNavigate(object sender, RequestNavigateEventArgs e)
+        {
+            Process.Start(e.Uri.ToString());
+        }
+        #endregion
+
     }
 }