diff --git a/Casino/Blackjack.xaml.cs b/Casino/Blackjack.xaml.cs
index 7902287..bcf0e12 100644
--- a/Casino/Blackjack.xaml.cs
+++ b/Casino/Blackjack.xaml.cs
@@ -62,7 +62,7 @@ namespace Casino
             Close();
         }
 
-        private static readonly Regex _regex = new Regex("[^0-9]+€"); // Regex to match non-numeric input
+        private static readonly Regex _regex = new Regex("[^0-9]"); // Regex to match non-numeric input
 
         //nur nummern
         private void TextBox_OnPreviewTextInput(object sender, TextCompositionEventArgs e)