regex101: JavaScript Substitution Workspace

Pro

Non-Capturing Group(?:<object.+?)?

?repeats the group contents below at most once:

<objectthe literal text <object (case sensitive)

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

<embedthe literal text <embed (case sensitive)

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

src="the literal text src=" (case sensitive)

Group 1((?:https?:)?\/\/www\.youtube\.com)

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)

wwwthe literal text www (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

youtubethe literal text youtube (case sensitive)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

comthe literal text com (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

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

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 2(\S+?)

\S+?any non-whitespace character, repeated at least once

Character Class[?"]

?the literal ? (63₁₀ / 77₈ / 3F₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

Group 3((?:width|height)=".*?")

Non-Capturing Group(?:width|height)

1st Alternativewidth

widththe literal text width (case sensitive)

2nd Alternativeheight

heightthe literal text height (case sensitive)

="the literal text ="

.*?any character (except for line terminators), repeated any number of times

"the literal " (34₁₀ / 42₈ / 22₁₆)

.*?any character (except for line terminators), repeated any number of times

Group 4((?:width|height)=".*?")

Non-Capturing Group(?:width|height)

1st Alternativewidth

widththe literal text width (case sensitive)

2nd Alternativeheight

heightthe literal text height (case sensitive)

="the literal text ="

.*?any character (except for line terminators), repeated any number of times

"the literal " (34₁₀ / 42₈ / 22₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Non-Capturing Group(?:<\/embed>|<\/object>)?

?repeats the group contents below at most once:

1st Alternative<\/embed>

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

embed>the literal text embed> (case sensitive)

2nd Alternative<\/object>

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

object>the literal text object> (case sensitive)

26 tokens

Regular Expression

(?:<object.+?)?<embed.+?src="((?:https?:)?\/\/www\.youtube\.com)\/v\/(\S+?)[?"].+?((?:width|height)=".*?").*?((?:width|height)=".*?")>(?:<\/embed>|<\/object>)?

New

Substitution

<iframe src="$1/embed/$2?feature=oembed" allowfullscreen="" frameborder="0" $3 $4></iframe>