regex101: PCRE2 (PHP) Match Workspace

1st Alternative# Chunk or note time. (?<= \| ) (?: \s+) ($) ([0-2][0-9]) (:) ([0-5][0-9]) ($) (?= \s+ \|)

Comment: Chunk or note time.

Positive Lookbehind(?<= \| )

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

Non-Capturing Group(?: \s+)

\s+any whitespace character, repeated at least once

Group 1(\()

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 2([0-2][0-9])

Character Class[0-2]

0-2one character from 0 (48₁₀) to 2 (50₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 3(:)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 4([0-5][0-9])

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 5(\))

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Positive Lookahead(?= \s+ \|)

\s+any whitespace character, repeated at least once

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

2nd Alternative # Revision title. (?<= \s \| \s) ($.+\s\#\d+$) (?= \s+ \|)

Comment: Revision title.

Positive Lookbehind(?<= \s \| \s)

\sany whitespace character

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\sany whitespace character

Group 6($.+\s\#\d+$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

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

\sany whitespace character

\#the literal # (35₁₀ / 43₈ / 23₁₆)

\d+a digit, repeated at least once

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

Positive Lookahead(?= \s+ \|)

\s+any whitespace character, repeated at least once

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

3rd Alternative # Chunk title. (?<= \| \s [0-2][0-9] : [0-5][0-9] - [0-2][0-9] : [0-5][0-9] \s \| \s ) (?! \[ | \s* \| ) (?:\s*)? (.+?) (?= \s+ \|)

Comment: Chunk title.

Positive Lookbehind(?<= \| \s [0-2][0-9] : [0-5][0-9] - [0-2][0-9] : [0-5][0-9] \s \| \s )

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\sany whitespace character

Character Class[0-2]

0-2one character from 0 (48₁₀) to 2 (50₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

: the literal text :

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

- the literal text -

Character Class[0-2]

0-2one character from 0 (48₁₀) to 2 (50₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

: the literal text :

Character Class[0-5]

Character Class[0-9]

\sany whitespace character

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\sany whitespace character

Negative Lookahead(?! \[ | \s* \| )

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

Group 7(.+?)

Positive Lookahead(?= \s+ \|)

4th Alternative # Chunk note. (?<= \s \| \s ) (?! -{2} ) (- .+?) (?= \s+ \|)

Global pattern flags

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

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

25 tokens

Regular Expression

# Chunk or note time.
(?<= \| ) 
  (?: \s+) (\() ([0-2][0-9]) (:) ([0-5][0-9]) (\)) 
(?= \s+ \|)
|

# Revision title.
(?<= \s \| \s) 
  (\(.+\s\#\d+\)) 
(?= \s+ \|)
|

# Chunk title.
(?<= \| \s [0-2][0-9] : [0-5][0-9] - [0-2][0-9] : [0-5][0-9] \s \| \s ) 
  (?! \[ | \s* \| ) 
  (?:\s*)? (.+?) 
(?= \s+ \|)
|

# Chunk note.
(?<= \s \| \s ) (?! -{2} )
(- .+?)
(?= \s+ \|)

Unit Tests

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