regex101: PCRE2 (PHP) Match Workspace

Group 1(\*-[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*\.[a-zA-Z]{2,}|\*\.?[a-zA-Z0-9]+([.-][a-zA-Z0-9]+)*\.[a-zA-Z]{2,}|[a-zA-Z0-9]+([.-][a-zA-Z0-9]+)*\.[a-zA-Z]{2,}|[a-zA-Z0-9]+(\.\*)?\.[a-zA-Z0-9]+(\.[a-zA-Z]{2,}))

1st Alternative\*-[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*\.[a-zA-Z]{2,}

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Group 2(\.[a-zA-Z0-9]+)*

*repeats the group contents below any number of times:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z]{2,}

{2,}matches at least 2 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

2nd Alternative\*\.?[a-zA-Z0-9]+([.-][a-zA-Z0-9]+)*\.[a-zA-Z]{2,}

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\.?optionally matches the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Group 3([.-][a-zA-Z0-9]+)*

*repeats the group contents below any number of times:

Character Class[.-]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z]{2,}

{2,}matches at least 2 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

3rd Alternative[a-zA-Z0-9]+([.-][a-zA-Z0-9]+)*\.[a-zA-Z]{2,}

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Group 4([.-][a-zA-Z0-9]+)*

*repeats the group contents below any number of times:

Character Class[.-]

.the literal . (46₁₀ / 56₈ / 2E₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z]{2,}

{2,}matches at least 2 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

4th Alternative[a-zA-Z0-9]+(\.\*)?\.[a-zA-Z0-9]+(\.[a-zA-Z]{2,})

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Group 5(\.\*)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z0-9]+

+matches at least one character from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

Group 6(\.[a-zA-Z]{2,})

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

Character Class[a-zA-Z]{2,}

{2,}matches at least 2 characters from the set below:

a-zone character from a (97₁₀) to z (122₁₀) (case sensitive)

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

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

25 tokens

Regular Expression

(\*-[a-zA-Z0-9]+(\.[a-zA-Z0-9]+)*\.[a-zA-Z]{2,}|\*\.?[a-zA-Z0-9]+([.-][a-zA-Z0-9]+)*\.[a-zA-Z]{2,}|[a-zA-Z0-9]+([.-][a-zA-Z0-9]+)*\.[a-zA-Z]{2,}|[a-zA-Z0-9]+(\.\*)?\.[a-zA-Z0-9]+(\.[a-zA-Z]{2,}))

Unit Tests

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