dart-sdk/tests/language_2/reg_exp2_test.dart
Terry Lucas 7eb00ea45d Migrated Block 146 to Dart 2.0
R=bkonyi@google.com

Change-Id: If6c7c2ebd8a4e3a3b724ada3967fc5836123732d
Reviewed-on: https://dart-review.googlesource.com/13621
Commit-Queue: Terry Lucas <terry@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
2017-10-13 21:27:17 +00:00

34 lines
1.4 KiB
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 RegExp2Test {
static String findImageTag_(String text, String extensions) {
final re = new RegExp('src="(http://\\S+\\.(${extensions}))"');
print('REGEXP findImageTag_ $extensions text: \n$text');
final match = re.firstMatch(text);
print('REGEXP findImageTag_ $extensions SUCCESS');
if (match != null) {
return match[1];
} else {
return null;
}
}
static testMain() {
String text =
'''<img src="http://cdn.archinect.net/images/514x/c0/c0p3qo202oxp0e6z.jpg" width="514" height="616" border="0" title="" alt=""><em><p>My last entry was in December of 2009. I suppose I never was particularly good about updating this thing, but it seems a bit ridiculous that I couldn't be bothered to post once about the many, many things that have gone on since then. My apologies. I guess I could start by saying that the world looks like a very different place than it did back in second year.</p></em>
''';
String extensions = 'jpg|jpeg|png';
String tag = findImageTag_(text, extensions);
Expect.isNotNull(tag);
}
}
main() {
RegExp2Test.testMain();
}