regex101: PCRE (Legacy) Match Workspace

Pro

Definition Group(?(DEFINE) (?<groupStart> <g ) (?<groupAttrs> >|[^>]+> ) (?<groupStartContainer> (?:(?&groupStart)(?&groupAttrs)(?&space)){1,} ) (?<groupEnd> (?:<\/g>(?&space)){1,} ) (?<group> (?:(?&groupStartContainer)(?&tags)){1,}(?&groupEnd)(?:(?&space)(?&tags)(?&groupEnd))? ) (?<tags> (?:<[^>]+\/>(?&space)){1,} ) (?<space> (?:\s+)? ) )

Group groupStart(?<groupStart> <g )

<g the literal text <g (case sensitive)

Group groupAttrs(?<groupAttrs> >|[^>]+> )

1st Alternative >

>the literal text >

2nd Alternative[^>]+>

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

> the literal text >

Group groupStartContainer(?<groupStartContainer> (?:(?&groupStart)(?&groupAttrs)(?&space)){1,} )

Non-Capturing Group(?:(?&groupStart)(?&groupAttrs)(?&space)){1,}

{1,}repeats the group contents below at least once:

(?&groupStart)calls group groupStart as a subroutine

(?&groupAttrs)calls group groupAttrs as a subroutine

(?&space)calls group space as a subroutine

Group groupEnd(?<groupEnd> (?:<\/g>(?&space)){1,} )

Non-Capturing Group(?:<\/g>(?&space)){1,}

{1,}repeats the group contents below at least once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

g>the literal text g> (case sensitive)

(?&space)calls group space as a subroutine

Group group(?<group> (?:(?&groupStartContainer)(?&tags)){1,}(?&groupEnd)(?:(?&space)(?&tags)(?&groupEnd))? )

Non-Capturing Group(?:(?&groupStartContainer)(?&tags)){1,}

{1,}repeats the group contents below at least once:

(?&groupStartContainer)calls group groupStartContainer as a subroutine

(?&tags)calls group tags as a subroutine

(?&groupEnd)calls group groupEnd as a subroutine

Non-Capturing Group(?:(?&space)(?&tags)(?&groupEnd))?

?repeats the group contents below at most once:

(?&space)calls group space as a subroutine

(?&tags)calls group tags as a subroutine

(?&groupEnd)calls group groupEnd as a subroutine

Group tags(?<tags> (?:<[^>]+\/>(?&space)){1,} )

Non-Capturing Group(?:<[^>]+\/>(?&space)){1,}

{1,}repeats the group contents below at least once:

<the literal < (60₁₀ / 74₈ / 3C₁₆)

Negated Character Class[^>]+

+matches at least one character outside the set below:

>the literal > (62₁₀ / 76₈ / 3E₁₆)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

>the literal > (62₁₀ / 76₈ / 3E₁₆)

(?&space)calls group space as a subroutine

Group space(?<space> (?:\s+)? )

Non-Capturing Group(?:\s+)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Group groupeSimples(?<groupeSimples> (?&group) )

(?&group)calls group group as a subroutine

Global pattern flags

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

x modifier: extended. Ignores unescaped whitespace and comments outside character classes

25 tokens

Regular Expression

(?(DEFINE)
  (?<groupStart> <g )
  (?<groupAttrs> >|[^>]+> )
  (?<groupStartContainer> (?:(?&groupStart)(?&groupAttrs)(?&space)){1,} )
  (?<groupEnd> (?:<\/g>(?&space)){1,} )
  (?<group> (?:(?&groupStartContainer)(?&tags)){1,}(?&groupEnd)(?:(?&space)(?&tags)(?&groupEnd))? )
  (?<tags> (?:<[^>]+\/>(?&space)){1,} )
  (?<space> (?:\s+)? )
)
(?<groupeSimples> (?&group) )

Unit Tests

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