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// Copyright (c) 2014, the Dart project authors. All rights reserved.
// Copyright 2009 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
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// with the distribution.
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//
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import 'v8_regexp_utils.dart';
import 'package:expect/expect.dart';
void main() {
// Check that the perfect mask check isn't overly optimistic.
assertFalse(new RegExp(r"[6-9]").hasMatch('2'));
}