YouTube Video ID Extractor

PythonHardregexstrings

Instructions

Given a YouTube URL, extract the video ID and return it as a string.

Examples

youtube_id("https://www.youtube.com/watch?v=XPEr1cArWRg") ➞ "XPEr1cArWRg"

youtube_id("https://youtu.be/BCDEDi5gDPo") ➞ "BCDEDi5gDPo"

youtube_id("https://youtube.com/watch?t=4m40s&v=vxP3bY-XxY4") ➞ "vxP3bY-XxY4"

Notes

All input are valid YouTube links.

python3

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Walks through the solution with reasoning and edge cases.