Update BaseLayoutPage.cs

Author: yaira2

src/Files.App/Utils/Storage/Operations/FilesystemHelpers.cs

@@ -34,8 +34,8 @@ private static char[] RestrictedCharacters
 			{
 				var userSettingsService = Ioc.Default.GetRequiredService<IUserSettingsService>();
 				return userSettingsService.FoldersSettingsService.AreAlternateStreamsVisible
-					? ['\\', '/', '*', '?', '"', '<', '>', '|'] // Allow ":" char
-					: ['\\', '/', ':', '*', '?', '"', '<', '>', '|'];
+					? Path.GetInvalidFileNameChars().Where(c => c != ':').ToArray() // Allow ":" char when alternate streams are visible
+					: Path.GetInvalidFileNameChars();
 			}
 		}
 

src/Files.App/Views/Layouts/BaseLayoutPage.cs

@@ -1031,7 +1031,7 @@ protected virtual void Page_PreviewKeyDown(object sender, KeyRoutedEventArgs e)
 				return;
 
 			// Handle valid character input
-			if (!Path.GetInvalidFileNameChars().Contains(char.ToLowerInvariant(typedCharacter.Value)))
+			if (!FilesystemHelpers.ContainsRestrictedCharacters(char.ToString(typedCharacter.Value)))
 			{
 				var lowerCharString = char.ToLowerInvariant(typedCharacter.Value).ToString();