regex101: JavaScript Substitution Workspace

1st Alternative(<\/div\s*><div\s*>)

Group 1(<\/div\s*><div\s*>)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

divthe literal text div (case sensitive)

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

><divthe literal text ><div (case sensitive)

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

<the literal < (60₁₀ / 74₈ / 3C₁₆)

1st Alternativescript

scriptthe literal text script (case sensitive)

2nd Alternativestyle

stylethe literal text style (case sensitive)

3rd Alternativeobject

objectthe literal text object (case sensitive)

4th Alternativeembed

embedthe literal text embed (case sensitive)

5th Alternativeapplet

appletthe literal text applet (case sensitive)

6th Alternativenoframes

noframesthe literal text noframes (case sensitive)

7th Alternativenoscript

noscriptthe literal text noscript (case sensitive)

8th Alternativenoembed

noembedthe literal text noembed (case sensitive)

Non-Capturing Group(?:\s+(?=((?:"[\S\s]*?"|'[\S\s]*?'|(?:(?!\/>)[^>])?)+))\3)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Positive Lookahead(?=((?:"[\S\s]*?"|'[\S\s]*?'|(?:(?!\/>)[^>])?)+))

Group 3((?:"[\S\s]*?"|'[\S\s]*?'|(?:(?!\/>)[^>])?)+)

Non-Capturing Group(?:"[\S\s]*?"|'[\S\s]*?'|(?:(?!\/>)[^>])?)+

+repeats the group contents below at least once:

1st Alternative"[\S\s]*?"

"the literal " (34₁₀ / 42₈ / 22₁₆)

Character Class[\S\s]*?

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

\Sany non-whitespace character

\sany whitespace character

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative'[\S\s]*?'

'the literal ' (39₁₀ / 47₈ / 27₁₆)

Character Class[\S\s]*?

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

\Sany non-whitespace character

\sany whitespace character

'the literal ' (39₁₀ / 47₈ / 27₁₆)

3rd Alternative(?:(?!\/>)[^>])?

Non-Capturing Group(?:(?!\/>)[^>])?

\3the text saved by group 3

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Character Class[\S\s]*?

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\2the text saved by group 2

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

Positive Lookahead(?=>)

2nd Alternative(?:\/?[\w:]+\s*\/?)

3rd Alternative(?:[\w:]+\s+(?:"[\S\s]*?"|'[\S\s]*?'|[^>]?)+\s*\/?)

4th Alternative\?[\S\s]*?\?

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

Search reference

Regular Expression

(<\/div\s*><div\s*>)|<(?:(?:(?:(script|style|object|embed|applet|noframes|noscript|noembed)(?:\s+(?=((?:"[\S\s]*?"|'[\S\s]*?'|(?:(?!\/>)[^>])?)+))\3)?\s*>)[\S\s]*?<\/\2\s*(?=>))|(?:\/?[\w:]+\s*\/?)|(?:[\w:]+\s+(?:"[\S\s]*?"|'[\S\s]*?'|[^>]?)+\s*\/?)|\?[\S\s]*?\?|(?:!(?:(?:DOCTYPE[\S\s]*?)|(?:\[CDATA\[[\S\s]*?\]\])|(?:--[\S\s]*?--)|(?:ATTLIST[\S\s]*?)|(?:ENTITY[\S\s]*?)|(?:ELEMENT[\S\s]*?))))>

Unit Tests

There are no unit tests, click to add some.