From 9f9a22ec63c22e0d82418415c91a614f2f7c0235 Mon Sep 17 00:00:00 2001
From: rustdesk <info@rustdesk.com>
Date: Fri, 13 Sep 2024 08:46:21 +0800
Subject: [PATCH] uppercase for all

---
 flutter/lib/common/widgets/custom_password.dart | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/flutter/lib/common/widgets/custom_password.dart b/flutter/lib/common/widgets/custom_password.dart
index 99ece2434..1fa6e3645 100644
--- a/flutter/lib/common/widgets/custom_password.dart
+++ b/flutter/lib/common/widgets/custom_password.dart
@@ -14,7 +14,11 @@ class UppercaseValidationRule extends ValidationRule {
   String get name => translate('uppercase');
   @override
   bool validate(String value) {
-    return value.contains(RegExp(r'[A-Z]'));
+    return value.runes.any((int rune) {
+      var character = String.fromCharCode(rune);
+      return character.toUpperCase() == character &&
+          character.toLowerCase() != character;
+    });
   }
 }