| // Copyright (c) 2014, 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. | 
 | // Dart test for testing regular expressions in Dart. | 
 |  | 
 | import "package:expect/expect.dart"; | 
 |  | 
 | // Regression test for http://dartbug.com/17998 | 
 |  | 
 | main() { | 
 |   for (var s in [ | 
 |     r"a", | 
 |     r"a|b", | 
 |     r"(?:)", | 
 |     r"^", | 
 |     r"$", | 
 |     r"^$", | 
 |     r"$^", | 
 |     r"", | 
 |     r"\\", | 
 |     r"/", | 
 |     r"[^]", | 
 |     "\x00", | 
 |   ]) { | 
 |     Expect.equals(s, new RegExp(s).pattern); | 
 |   } | 
 | } |