regex101: PCRE2 (PHP) Match Workspace

^start of line

Group 1(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))

1st Alternative([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}

Group 2([0-9a-fA-F]{1,4}:){7,7}

{7,7}repeats the group contents below exactly 7 times:

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

2nd Alternative([0-9a-fA-F]{1,4}:){1,7}:

Group 3([0-9a-fA-F]{1,4}:){1,7}

{1,7}repeats the group contents below between 1 and 7 times:

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

3rd Alternative([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}

Group 4([0-9a-fA-F]{1,4}:){1,6}

{1,6}repeats the group contents below between 1 and 6 times:

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

4th Alternative([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}

Group 5([0-9a-fA-F]{1,4}:){1,5}

{1,5}repeats the group contents below between 1 and 5 times:

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 6(:[0-9a-fA-F]{1,4}){1,2}

{1,2}repeats the group contents below between 1 and 2 times:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

5th Alternative([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}

Group 7([0-9a-fA-F]{1,4}:){1,4}

{1,4}repeats the group contents below between 1 and 4 times:

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 8(:[0-9a-fA-F]{1,4}){1,3}

{1,3}repeats the group contents below between 1 and 3 times:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

6th Alternative([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}

Group 9([0-9a-fA-F]{1,4}:){1,3}

{1,3}repeats the group contents below between 1 and 3 times:

Character Class[0-9a-fA-F]{1,4}

{1,4}matches between 1 and 4 characters from the set below:

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

a-fone character from a (97₁₀) to f (102₁₀) (case sensitive)

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 10(:[0-9a-fA-F]{1,4}){1,4}

7th Alternative([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}

8th Alternative[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})

9th Alternative:((:[0-9a-fA-F]{1,4}){1,7}|:)

10th Alternativefe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}

11th Alternative::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])

12th Alternative([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])

$end of line

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

Search reference

Regular Expression

^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$

New

ee1a:5b37:e33f:811d:1cc8:3607:af73:1e23
44e3:cc81:9671:1f4e:0376:b79ce:617d:4444
44e3.cc81.9671.1f4e.0376.b79ce.617d:4444
5ee3:cc81:9671:1f4e:0376:b79c:617d:b42b
4565:3713:605e:1276:f208:3211:be34:1e9a
45653713605e1276:f208:3211:be34:1e9a
77da:71ba:3fe9:c349:09f3:45c7:f8e9:269b

// You can show origina post on albertcolom.com/blog

Regular Expressions 101

Regular Expression

Extraction