diff --git a/Frontend/patient_manager/lib/mih_packages/manage_business/business_details.dart b/Frontend/patient_manager/lib/mih_packages/manage_business/business_details.dart
index 81131b09..38d21df4 100644
--- a/Frontend/patient_manager/lib/mih_packages/manage_business/business_details.dart
+++ b/Frontend/patient_manager/lib/mih_packages/manage_business/business_details.dart
@@ -262,7 +262,7 @@ class _BusinessDetailsState extends State<BusinessDetails> {
 
   bool validEmail() {
     String text = emailController.text;
-    var regex = RegExp(r'^[a-zA-Z0-9]+@[a-zA-Z.-]+\.[a-zA-Z]{2,}$');
+    var regex = RegExp(r'^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$');
     return regex.hasMatch(text);
   }