diff --git a/Frontend/patient_manager/lib/mih_components/mih_inputs_and_buttons/mih_text_input.dart b/Frontend/patient_manager/lib/mih_components/mih_inputs_and_buttons/mih_text_input.dart
index a2f0c186..223aaa3a 100644
--- a/Frontend/patient_manager/lib/mih_components/mih_inputs_and_buttons/mih_text_input.dart
+++ b/Frontend/patient_manager/lib/mih_components/mih_inputs_and_buttons/mih_text_input.dart
@@ -65,7 +65,7 @@ class _MIHTextFieldState extends State<MIHTextField> {
   }
 
   bool isEmailValid(String email) {
-    var regex = RegExp(r'^[a-zA-Z0-9]+@[a-zA-Z.-]+\.[a-zA-Z]{2,}$');
+    var regex = RegExp(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$');
     return regex.hasMatch(email);
   }
 
diff --git a/Frontend/patient_manager/lib/mih_packages/authentication/register.dart b/Frontend/patient_manager/lib/mih_packages/authentication/register.dart
index 71f4c934..e7bb8c92 100644
--- a/Frontend/patient_manager/lib/mih_packages/authentication/register.dart
+++ b/Frontend/patient_manager/lib/mih_packages/authentication/register.dart
@@ -132,7 +132,7 @@ class _RegisterState extends State<Register> {
 
   bool validEmail() {
     String text = emailController.text;
-    var regex = RegExp(r'^[a-zA-Z0-9]+@[a-zA-Z.-]+\.[a-zA-Z]{2,}$');
+    var regex = RegExp(r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$');
     return regex.hasMatch(text);
   }