php - parse video id using preg_match - Stack Overflow

I am attempting to parse the video ID of a URL using preg_match. I found a regular expression on this site that appears to work; (?<=v=)[a-zA-Z0-9-]+(?=&)|(?<=[0-9]/)[^&\n]+

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The video ID is invalid or the video was deleted. [#1572550]

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kaggle-stackoverflow2012/data/train-tiny.csv at master · saffsd/kaggle-stackoverflow2012 · GitHub