[grade=B] fix: PCRE delimiter collision (# in char class) broke YT extraction — switch to ~ delimiter, verified in PHP CLI
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@@ -718,7 +718,7 @@ function beep_format_content($text) {
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* Returns the 11-char video ID or ''.
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*/
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function beep_youtube_id_from_text($text) {
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if (!preg_match_all('#(?<![\w.-])(?:https?://)?(?:www\.|m\.)?(?:youtube\.com/(?:watch\?[^#\s]*v=|shorts/|embed/|live/)|youtu\.be/)([A-Za-z0-9_-]{11})(?![A-Za-z0-9_-])#i', (string) $text, $m)) {
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if (!preg_match_all('~(?<![\w.-])(?:https?://)?(?:www\.|m\.)?(?:youtube\.com/(?:watch\?[^#\s]*v=|shorts/|embed/|live/)|youtu\.be/)([A-Za-z0-9_-]{11})(?![A-Za-z0-9_-])~i', (string) $text, $m)) {
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return '';
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}
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return $m[1][0];
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