regex101: PCRE2 (PHP) Match Workspace

Pro

1st Alternative(*UTF16) x (?<! \w x ) [\d._ –-]* (*SKIP) (*F)

(*UTF16)enables UTF-16 mode

x the literal text x (case insensitive)

Negative Lookbehind(?<! \w x )

\wany word character

x the literal text x (case insensitive)

Character Class[\d._ –-]*

*matches any number of characters from the set below:

\da digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

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

2nd Alternative order (?<! \w order ) [\W_]* (?:number)? [\W_]* [\d._ –-]* (*SKIP) (*F)

order the literal text order (case insensitive)

Negative Lookbehind(?<! \w order )

\wany word character

order the literal text order (case insensitive)

Character Class[\W_]*

*matches any number of characters from the set below:

\Wany non-word character

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Non-Capturing Group(?:number)?

?repeats the group contents below at most once:

numberthe literal text number (case insensitive)

Character Class[\W_]*

*matches any number of characters from the set below:

\Wany non-word character

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

Character Class[\d._ –-]*

*matches any number of characters from the set below:

\da digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

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

3rd Alternative [1-578] (?:[._ –-]{0,3}+\d){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?:[._ –-]{0,3}+\d){2} (?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?:[._ –-]{0,3}+\d){4} )

Character Class[1-578]

1-5one character from 1 (49₁₀) to 5 (53₁₀)

7the literal 7 (55₁₀ / 67₈ / 37₁₆)

8the literal 8 (56₁₀ / 70₈ / 38₁₆)

Non-Capturing Group(?:[._ –-]{0,3}+\d){2}

{2}repeats the group contents below exactly 2 times:

Character Class[._ –-]{0,3}+

{0,3}+matches between 0 and 3 characters from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

Non-Capturing Group(?: 0{2} [\d._ –-]* (*SKIP) (*F) )?

?repeats the group contents below at most once:

0{2}the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated exactly 2 times

Character Class[\d._ –-]*

*matches any number of characters from the set below:

\da digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

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

Non-Capturing Group(?:[._ –-]{0,3}+\d){2}

{2}repeats the group contents below exactly 2 times:

Character Class[._ –-]{0,3}+

{0,3}+matches between 0 and 3 characters from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

Positive Lookahead(?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?:[._ –-]{0,3}+\d){4} )

Non-Capturing Group(?: 0{4} [\d._ –-]* (*SKIP) (*F) )?

?repeats the group contents below at most once:

0{4}the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated exactly 4 times

Character Class[\d._ –-]*

*matches any number of characters from the set below:

\da digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

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

Non-Capturing Group(?:[._ –-]{0,3}+\d){4}

{4}repeats the group contents below exactly 4 times:

Character Class[._ –-]{0,3}+

{0,3}+matches between 0 and 3 characters from the set below:

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

4th Alternative 0 (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){4} )

0 the literal text 0

Non-Capturing Group(?: 0{2} [\d._ –-]* (*SKIP) (*F) )?

?repeats the group contents below at most once:

0{2}the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated exactly 2 times

Character Class[\d._ –-]*

*matches any number of characters from the set below:

\da digit

.the literal . (46₁₀ / 56₈ / 2E₁₆)

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

the literal (32₁₀ / 40₈ / 20₁₆)

–the literal – (8211₁₀ / 20023₈ / 2013₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

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

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

Non-Capturing Group(?: [._ –-]{0,3}+ \d ){2}

Non-Capturing Group(?: 0{2} [\d._ –-]* (*SKIP) (*F) )?

Non-Capturing Group(?: [._ –-]{0,3}+ \d ){2}

Positive Lookahead(?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){4} )

5th Alternative 6 (?: 6{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){4} )

6th Alternative 9 [\d._ –-]* (*SKIP) (*F)

Global pattern flags

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

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

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

J modifier: Allow duplicate subpattern names

25 tokens

Regular Expression

(*UTF16)
  x (?<! \w x ) [\d._ –-]* (*SKIP) (*F)
|
  order (?<! \w order ) [\W_]* (?:number)? [\W_]* [\d._ –-]* (*SKIP) (*F)
|
  [1-578]
  (?:[._ –-]{0,3}+\d){2}
  (?: 0{2}  [\d._ –-]* (*SKIP) (*F) )?
  (?:[._ –-]{0,3}+\d){2}
  (?=
      (?: 0{4}  [\d._ –-]* (*SKIP) (*F) )?
      (?:[._ –-]{0,3}+\d){4}
  )
|
  0
  (?: 0{2}  [\d._ –-]* (*SKIP) (*F) )?
  (?: [._ –-]{0,3}+ \d ){2}
  (?: 0{2}  [\d._ –-]* (*SKIP) (*F) )?
  (?: [._ –-]{0,3}+ \d ){2}
  (?=
      (?: 0{4}  [\d._ –-]* (*SKIP) (*F) )?
      (?: [._ –-]{0,3}+ \d ){4}
  )
|
  6
  (?: 6{2} [\d._ –-]* (*SKIP) (*F) )?
  (?: [._ –-]{0,3}+ \d ){2}
  (?: 0{2} [\d._ –-]* (*SKIP) (*F) )?
  (?: [._ –-]{0,3}+ \d ){2}
  (?=
      (?: 0{4} [\d._ –-]* (*SKIP) (*F) )?
      (?: [._ –-]{0,3}+ \d ){4}
  )
|
  9 [\d._ –-]* (*SKIP) (*F)

Unit Tests

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