Port regexp tests from V8 to Dart.

tests/corelib/regexp/norepeat_test.dart

 // 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.
-//
 
-import 'dart:profiler';
+import 'util.dart';
 import 'package:expect/expect.dart';
 
-testGaugeDouble() {
-  Expect.throws(() {
-    // max argument is not a double
-    gauge = new Gauge('test', 'alpha bravo', 1.0, 4);
-  });
+void main() {
+  description(
+  'Test for https://bugs.webkit.org/show_bug.cgi?id=46077'
+  );
+
+  var re = new RegExp(r"^b|^cd");
+  var str = "abcd";
+  shouldBeFalse(re.hasMatch(str));
 }
-
-main() {
-  testGaugeDouble();
-}