re = /(?<=watch\?v=|\/videos\/|embed\/|youtu.be\/|\/v\/|\/e\/|watch\?v%3D|watch\?feature=player_embedded&v=|%2Fvideos%2F|embed%2F|youtu.be%2F|%2Fv%2F|shorts\/|live\/)[^#\&\?\n]*/m
str = 'https://www.youtube.com/watch?v=dmBbyHx_QKU
https://www.youtube.com/live/dmBbyHx_QKU?si=3f5yaTBKl0ZW8Kyg
https://www.youtube.com/embed/dmBbyHx_QKU?si=3f5yaTBKl0ZW8Kyg
https://www.youtube.com/shorts/Wpzu--so_ts
https://youtube.com/shorts/Wpzu--so_ts?si=xVSHgPWtOS2uyR9K'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html