YouTube Video ID Extractor

by Matt tags: regex, strings

Summary

Given a YouTube URL, extract the video ID and return it as a string. Examples youtubeId("https://www.youtube.com/watch?v=XPEr1cArWRg") ➞ "XPEr1cArWRg" youtubeId("https://youtu.be/BCDEDi5gDPo") ➞ "BCDEDi5gDPo" youtubeId("https://youtube.com/watch?t=4m40s&v=vxP3bY-XxY4") ➞ "vxP3bY-XxY4" Notes All input are valid YouTube links.

Instructions

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

Examples

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

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

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

Notes

All input are valid YouTube links.