regex101: PCRE (Legacy) Match Workspace

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 text ://

Non-Capturing Group(?:www.)?

?repeats the group contents below at most once:

wwwthe literal text www (case sensitive)

.any character (except for line terminators)

Non-Capturing Group(?:youtube.com|youtu.be)

1st Alternativeyoutube.com

youtubethe literal text youtube (case sensitive)

.any character (except for line terminators)

comthe literal text com (case sensitive)

2nd Alternativeyoutu.be

yoututhe literal text youtu (case sensitive)

.any character (except for line terminators)

bethe literal text be (case sensitive)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:watch\?)?

?repeats the group contents below at most once:

watchthe literal text watch (case sensitive)

\?the literal ? (63₁₀ / 77₈ / 3F₁₆)

v=the literal text v= (case sensitive)

Group 1([^\s]+)

Negated Character Class[^\s]+

+matches at least one character outside the set below:

\sany whitespace character

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

25 tokens

Regular Expression

(?:https?://)?(?:www.)?(?:youtube.com|youtu.be)/(?:watch\?)?v=([^\s]+)

New

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard  dummy text ever since the 1500s, https://www.youtube.com/watch?v=7TL02DA5MZM when an unknown printer took a galley of type and scrambled it to make a type

Substitution

Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard  dummy text ever since the 1500s, https://www.youtube.com/watch?v=7TL02DA5MZM when an unknown printer took a galley of type and scrambled it to make a type