regex101: PCRE (Legacy) Match Workspace

<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]*?'|(?:(?!/>)[^>])?)+)?

?repeats the group contents below at most once:

\s+a Unicode whitespace character, repeated at least once

Atomic 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 character that is not Unicode whitespace

\sa Unicode 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 character that is not Unicode whitespace

\sa Unicode whitespace character

'the literal ' (39₁₀ / 47₈ / 27₁₆)

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

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

?repeats the group contents below at most once:

Negative Lookahead(?!/>)

/>the literal text />

Negated Character Class[^>]

>the literal > (62₁₀ / 76₈ / 3E₁₆)

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

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Character Class[\S\s]*?

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

\Sany character that is not Unicode whitespace

\sa Unicode whitespace character

</the literal text </

\1the text saved by group 1

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

Positive Lookahead(?=>)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

(*SKIP)acts like (*PRUNE), but the next unanchored match attempt starts where (*SKIP) was reached instead of at the next subject character

(*FAIL)forces the current match attempt to fail at this position

2nd Alternative(?:[\w:]+\b(?=((?:"[\S\s]*?"|'[\S\s]*?'|[^>]?)*)>)\2(?<!/))

>the literal > (62₁₀ / 76₈ / 3E₁₆)

Global pattern flags

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

u modifier: unicode. Treats the pattern and subject as UTF-16

Search reference

Regular Expression

<(?:(?:(?:(script|style|object|embed|applet|noframes|noscript|noembed)(?:\s+(?>"[\S\s]*?"|'[\S\s]*?'|(?:(?!/>)[^>])?)+)?\s*>)[\S\s]*?</\1\s*(?=>)(*SKIP)(*FAIL))|(?:[\w:]+\b(?=((?:"[\S\s]*?"|'[\S\s]*?'|[^>]?)*)>)\2(?<!/))|(?:(?:/?[\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]*?))))(*SKIP)(*FAIL))>

Unit Tests

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