youtubeWatchUrlRegex top-level property

RegExp youtubeWatchUrlRegex

getter/setter pair

Can match: https://www.youtube.com/watch?v=<video_id>

Implementation

RegExp youtubeWatchUrlRegex = RegExp(
    '^https://(www.)?(youtube.com/watch)?.*v=(?<video_id>[a-zA-Z_0-9]+)');