php-regexHow to use PHP regex to get a YouTube video ID?
Using PHP regex to get a YouTube video ID is a simple task. The following example code block will demonstrate how to do it:
$url = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $url, $match);
echo $match[1];The output of the example code will be:
dQw4w9WgXcQCode explanation
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$url = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';- This is the URL of the YouTube video. -
preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $url, $match);- This is the regular expression used to match the YouTube video ID. -
echo $match[1];- This is the code to output the YouTube video ID.
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