Regular Expressions 101

Explanation

Pro

Non-Capturing Group(?:^```html\s*(?<html>[\s\S]*?)```|(?:<!DOCTYPE html>\s*)?<html[^>]*?>\s*<head>[\s\S]*?<\/head>\s*<body[^>]*?>(?<body>[\s\S]*?)<\/body>\s*(?:<\/html>)?)

1st Alternative^```html\s*(?<html>[\s\S]*?)```

^start of string

```htmlthe literal text ```html (case insensitive)

\s*any whitespace character, repeated any number of times

Group html(?<html>[\s\S]*?)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

```the literal text ```

2nd Alternative(?:<!DOCTYPE html>\s*)?<html[^>]*?>\s*<head>[\s\S]*?<\/head>\s*<body[^>]*?>(?<body>[\s\S]*?)<\/body>\s*(?:<\/html>)?

Non-Capturing Group(?:<!DOCTYPE html>\s*)?

?repeats the group contents below at most once:

<!DOCTYPE html>the literal text <!DOCTYPE html> (case insensitive)

\s*any whitespace character, repeated any number of times

<htmlthe literal text <html (case insensitive)

Negated Character Class[^>]*?

*?matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\s*any whitespace character, repeated any number of times

<head>the literal text <head> (case insensitive)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

head>the literal text head> (case insensitive)

\s*any whitespace character, repeated any number of times

<bodythe literal text <body (case insensitive)

Negated Character Class[^>]*?

*?matches any number of characters outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Group body(?<body>[\s\S]*?)

Character Class[\s\S]*?

*?matches any number of characters from the set below:

\sany whitespace character

\Sany non-whitespace character

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

body>the literal text body> (case insensitive)

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:<\/html>)?

?repeats the group contents below at most once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

html>the literal text html> (case insensitive)

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

26 tokens

Regular Expression

(?:^```html\s*(?<html>[\s\S]*?)```|(?:<!DOCTYPE html>\s*)?<html[^>]*?>\s*<head>[\s\S]*?<\/head>\s*<body[^>]*?>(?<body>[\s\S]*?)<\/body>\s*(?:<\/html>)?)

New

```html
<!-- wp:mev/hero {"media":9609} -->
<div><img class="wp-block-mev-hero" /></div>
<!-- /wp:mev/hero -->

<!-- wp:mev/container -->
<div><!-- wp:heading -->
<h2 class="wp-block-heading" id="h-title">Markedsføringsbyrå Oslo – gjør suksess mulig med Enklere Valg</h2>
<!-- /wp:heading -->

<!-- wp:paragraph -->
<p>Hos Enklere Valg, et dedikert markedsføringsbyrå basert i Oslo, tilbyr vi essensielle markedsføringstjenester som er lett tilgjengelige for din bedrift. Som et fullservicebyrå navigerer vi deg gjennom dagens komplekse og krevende marked. Enten målet ditt er å forbedre synligheten gjennom betalt eller organisk markedsføring, tilbyr vi strategier tilpasset dine spesifikke behov. Med oss som din partner, kan du stole på vår kompetanse og erfaring til å skape reell verdi for din virksomhet.</p>
<!-- /wp:paragraph -->

<!-- wp:spacer {"height":"40px"} -->
<div style="height:40px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer -->

<!-- wp:contact-form-7/conta