// Copyright (c) 2026, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// Regression test for b/489355669

main() {
  print(new RegExp(r"[^a-df-z\s]+", caseSensitive: false).firstMatch("900s"));
}
