regex101: youtube url match

Pro

Non-Capturing Group(?:https?:\/\/)?

?repeats the group contents below at most once:

httpthe literal text http (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:www\.)?

?repeats the group contents below at most once:

wwwthe literal text www (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

1st Alternativeyoutu\.be\/

yoututhe literal text youtu (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

bethe literal text be (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

youtubethe literal text youtube (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

comthe literal text com (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

1st Alternativeembed\/

embedthe literal text embed (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

2nd Alternativev\/

vthe literal v (118₁₀ / 166₈ / 76₁₆) (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

3rd Alternativeplaylist\?

playlistthe literal text playlist (case sensitive)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

4th Alternativewatch\?v=

watchthe literal text watch (case sensitive)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

v=the literal text v= (case sensitive)

5th Alternativewatch\?.+(?:&|&);v=

watchthe literal text watch (case sensitive)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

.+any character (except for line terminators), repeated at least once

Non-Capturing Group(?:&|&)

1st Alternative&

&the literal & (38₁₀ / 46₈ / 26₁₆)

2nd Alternative&

&the literal text &

;v=the literal text ;v= (case sensitive)

Group 1([a-zA-Z0-9\-_]{11})?

?repeats the group contents below at most once:

Character Class[a-zA-Z0-9\-_]{11}

{11}matches exactly 11 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Non-Capturing Group(?:(?:\?|&|&)index=((?:\d){1,3}))?

?repeats the group contents below at most once:

Non-Capturing Group(?:\?|&|&)

1st Alternative\?

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

2nd Alternative&

&the literal & (38₁₀ / 46₈ / 26₁₆)

3rd Alternative&

&the literal text &

index=the literal text index= (case sensitive)

Group 2((?:\d){1,3})

Non-Capturing Group(?:\d){1,3}

{1,3}repeats the group contents below between 1 and 3 times:

\da digit

Non-Capturing Group(?:(?:\?|&|&)?list=([a-zA-Z\-_0-9]{34}))?

?repeats the group contents below at most once:

Non-Capturing Group(?:\?|&|&)?

?repeats the group contents below at most once:

1st Alternative\?

2nd Alternative&

3rd Alternative&

list=the literal text list= (case sensitive)

Group 3([a-zA-Z\-_0-9]{34})

Non-Capturing Group(?:\S+)?

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

26 tokens

Regular Expression

(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|playlist\?|watch\?v=|watch\?.+(?:&|&#38;);v=))([a-zA-Z0-9\-_]{11})?(?:(?:\?|&|&#38;)index=((?:\d){1,3}))?(?:(?:\?|&|&#38;)?list=([a-zA-Z\-_0-9]{34}))?(?:\S+)?

New

https://www.youtube.com/playlist?list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://www.youtube.com/watch?v=4UcfECYbDYQ&index=1&list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://youtu.be/4UcfECYbDYQ?list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://www.youtube.com/watch?v=Svmor6ouuO4&index=4&list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://www.youtube.com/watch?v=M44e92KoIaE
https://youtu.be/M44e92KoIaE
https://www.youtube.com/embed/videoseries?list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl

Substitution

https://www.youtube.com/playlist?list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://www.youtube.com/watch?v=4UcfECYbDYQ&index=1&list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://youtu.be/4UcfECYbDYQ?list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://www.youtube.com/watch?v=Svmor6ouuO4&index=4&list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl
https://www.youtube.com/watch?v=M44e92KoIaE
https://youtu.be/M44e92KoIaE
https://www.youtube.com/embed/videoseries?list=PL1eC1aP-LYNg2ya1ywPj0pipd0y2EWGEl