Remove custom email regexp

Use the EmailValidator package instead

lib/screens/settings_screen.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 
 import 'package:dynamic_theme/dynamic_theme.dart';
 import 'package:easy_localization/easy_localization.dart';
+import 'package:email_validator/email_validator.dart';
 import 'package:ext_storage/ext_storage.dart';
 import 'package:icloud_documents_path/icloud_documents_path.dart';
 import 'package:path/path.dart' as p;
@@ -120,11 +121,7 @@ class SettingsListState extends State<SettingsList> {
             return tr('settings.email.validator.empty');
           }
 
-          bool emailValid = RegExp(
-                  r"^[a-zA-Z0-9.\-!#$%&'*+/=?^_``{|}~]+@[a-zA-Z0-9\-]+\.[a-zA-Z\-]+")
-              .hasMatch(value);
-
-          if (!emailValid) {
+          if (!EmailValidator.validate(value)) {
             return tr('settings.email.validator.invalid');
           }
           return null;

pubspec.lock

@@ -220,6 +220,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.2"
+  email_validator:
+    dependency: "direct main"
+    description:
+      name: email_validator
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.6"
   equatable:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -65,6 +65,7 @@ dependencies:
   permission_handler: ^5.0.1+1
   ext_storage: ^1.0.3
   time: ^1.3.0
+  email_validator: ^1.0.6
   icloud_documents_path:
     git: https://github.com/GitJournal/icloud_documents_path.git