fork(1) download 
  1.     String getYouTubeUrl(String content) {
  2.       RegExp regExp = RegExp(
  3.           r'((?:https?:)?\/\/)?((?:www|m)\.)?((?:youtube\.com|youtu.be))(\/(?:[\w\-]+\?v=|embed\/|v\/)?)([\w\-]+)(\S+)?'
  4.       );
  5.       String matches = regExp.stringMatch(content);
  6.       if (matches == null) {
  7.         return ''; // Always returns here while the video URL is in the content paramter
  8.       }
  9.       final String youTubeUrl = matches;
  10.       return youTubeUrl;
  11.     }
  12.  
  13.  
  14.  
  15. void main() {
  16.  
  17.     print(getYouTubeUrl(
  18.     """ <figure
  19.       class="wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio">
  20.       <div class="wp-block-embed__wrapper">
  21.         <iframe
  22.           title="| Title here |"
  23.           width="1170"
  24.           height="878"
  25.           src="https://w...content-available-to-author-only...e.com/embed/OWGnQ61kLzw?feature=oembed" // <-- I want to get this link          frameborder="0"
  26.           allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
  27.           allowfullscreen
  28.         ></iframe>
  29.       </div>
  30.     </figure>
  31.     """
  32. ));
  33. }
  34.  
Success #stdin #stdout 1s 122212KB
comments (?)
stdin 
Standard input is empty
stdout 
https://w...content-available-to-author-only...e.com/embed/OWGnQ61kLzw?feature=oembed"
https://ideone.com/jhlTUa
language:
Dart (dart 2.3.0)
created:
4 years ago
visibility:
public

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