diff --git a/app/lib/common/utils/utils.dart b/app/lib/common/utils/utils.dart
index c2229c2aff25..135a78f37bea 100644
--- a/app/lib/common/utils/utils.dart
+++ b/app/lib/common/utils/utils.dart
@@ -36,9 +36,14 @@ final idMatrixRegexp = RegExp(
   r'matrix:roomid/(?<id>[^?]+)(\?via=(?<server_name>[^&]+))?(&via=(?<server_name2>[^&]+))?(&via=(?<server_name3>[^&]+))?',
 );
 
-final urlValidatorRegexp = RegExp(
-  r'^[-a-zA-Z0-9@:%._+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b[-a-zA-Z0-9()@:%_+.~#?&/=]*$',
-);
+bool isValidUrl(String url) {
+// Regular expression to validate URLs
+  final RegExp urlPattern = RegExp(
+    r"^([a-zA-Z][a-zA-Z\d+\-.]*):\/\/([\w\-])+\.{1}([a-zA-Z]{2,63})([\w\-\._~:/?#[\]@!\$&'()*+,;=.]+)?$",
+    caseSensitive: false,
+  );
+  return urlPattern.hasMatch(url);
+}
 
 /// Get provider right from the context no matter where we are
 extension Context on BuildContext {
diff --git a/app/lib/features/attachments/actions/add_edit_link_bottom_sheet.dart b/app/lib/features/attachments/actions/add_edit_link_bottom_sheet.dart
index 8cd90fa50526..ab1e9d103c38 100644
--- a/app/lib/features/attachments/actions/add_edit_link_bottom_sheet.dart
+++ b/app/lib/features/attachments/actions/add_edit_link_bottom_sheet.dart
@@ -50,13 +50,11 @@ class _PinLinkBottomSheet extends ConsumerState<LinkBottomSheet> {
   final _formKey = GlobalKey<FormState>();
   final _titleController = TextEditingController();
   final _linkController = TextEditingController();
-  final prefixText = 'https://';
 
   @override
   void initState() {
     super.initState();
     _titleController.text = widget.pinTitle ?? '';
-    _linkController.text = (widget.pinLink ?? '').replaceAll(prefixText, '');
   }
 
   @override
@@ -105,7 +103,7 @@ class _PinLinkBottomSheet extends ConsumerState<LinkBottomSheet> {
                       // Need to update change of tile
                       widget.onSave(
                         _titleController.text.trim(),
-                        '$prefixText${_linkController.text.trim()}',
+                        _linkController.text.trim(),
                       );
                     },
                     child: Text(L10n.of(context).save),
@@ -150,11 +148,10 @@ class _PinLinkBottomSheet extends ConsumerState<LinkBottomSheet> {
           controller: _linkController,
           minLines: 1,
           maxLines: 1,
-          decoration: InputDecoration(prefixText: prefixText),
           validator: (value) {
             if (value == null || value.trim().isEmpty) {
               return L10n.of(context).pleaseEnterALink;
-            } else if (!urlValidatorRegexp.hasMatch(value)) {
+            } else if (!isValidUrl(value)) {
               return L10n.of(context).pleaseEnterAValidLink;
             }
             return null;
diff --git a/app/test/features/general/url_validation_test.dart b/app/test/features/general/url_validation_test.dart
new file mode 100644
index 000000000000..e030ea51ea1f
--- /dev/null
+++ b/app/test/features/general/url_validation_test.dart
@@ -0,0 +1,42 @@
+import 'package:acter/common/utils/utils.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('URL Validation Tests', () {
+    test('Valid URL with http', () {
+      expect(isValidUrl('http://example.com'), true);
+    });
+
+    test('Valid URL with https', () {
+      expect(isValidUrl('https://example.com'), true);
+    });
+
+    test('Valid URL with custom schema', () {
+      expect(isValidUrl('custom://example.com'), true);
+    });
+
+    test('Valid URL with subdomains', () {
+      expect(isValidUrl('https://sub.example.com'), true);
+    });
+
+    test('Valid URL with query parameters', () {
+      expect(isValidUrl('https://example.com?query=flutter'), true);
+    });
+
+    test('Invalid URL without scheme', () {
+      expect(isValidUrl('example.com'), false);
+    });
+
+    test('Invalid URL with invalid characters', () {
+      expect(isValidUrl('https://example!.com'), false);
+    });
+
+    test('Invalid URL with missing domain', () {
+      expect(isValidUrl('https://.com'), false);
+    });
+
+    test('Empty URL string', () {
+      expect(isValidUrl(''), false);
+    });
+  });
+}