Migrated test block 19 to Dart 2.0.

tests/corelib_strong/reg_exp1_test.dart

-// Copyright (c) 2011, 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";
-
-class RegExp1Test {
-  static testMain() {
-    RegExp exp1 = new RegExp("bar|foo");
-    Expect.equals(true, exp1.hasMatch("foo"));
-    Expect.equals(true, exp1.hasMatch("bar"));
-    Expect.equals(false, exp1.hasMatch("gim"));
-    Expect.equals(true, exp1.hasMatch("just foo"));
-    Expect.equals("bar|foo", exp1.pattern);
-    Expect.equals(false, exp1.isMultiLine);
-    Expect.equals(true, exp1.isCaseSensitive);
-
-    RegExp exp2 = new RegExp("o+", caseSensitive: false);
-    Expect.equals(true, exp2.hasMatch("this looks good"));
-    Expect.equals(true, exp2.hasMatch("fOO"));
-    Expect.equals(false, exp2.hasMatch("bar"));
-    Expect.equals("o+", exp2.pattern);
-    Expect.equals(false, exp2.isCaseSensitive);
-    Expect.equals(false, exp2.isMultiLine);
-  }
-}
-
-main() {
-  RegExp1Test.testMain();
-}