regex101: PCRE (Legacy) Substitution Workspace

Pro

^start of line

Group 1(\W|000)

1st Alternative\W

\Wany non-word character

2nd Alternative000

000the literal text 000

Group 2((?<Disc>6(?:011|5[0-9]{2})[0-9]{8})|(?<Mast>(?:5[0-9]{3}|2[2-7][0-9]{2})[0-9]{8})|(?<Visa>4[0-9]{11})|(?<Amex>3[47][0-9]{9}))

1st Alternative(?<Disc>6(?:011|5[0-9]{2})[0-9]{8})

Group Disc(?<Disc>6(?:011|5[0-9]{2})[0-9]{8})

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

Non-Capturing Group(?:011|5[0-9]{2})

1st Alternative011

011the literal text 011

2nd Alternative5[0-9]{2}

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

Character Class[0-9]{8}

{8}matches exactly 8 characters from the set below:

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

2nd Alternative(?<Mast>(?:5[0-9]{3}|2[2-7][0-9]{2})[0-9]{8})

Group Mast(?<Mast>(?:5[0-9]{3}|2[2-7][0-9]{2})[0-9]{8})

Non-Capturing Group(?:5[0-9]{3}|2[2-7][0-9]{2})

1st Alternative5[0-9]{3}

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

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

2nd Alternative2[2-7][0-9]{2}

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Character Class[2-7]

2-7one character from 2 (50₁₀) to 7 (55₁₀)

Character Class[0-9]{2}

{2}matches exactly 2 characters from the set below:

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

Character Class[0-9]{8}

{8}matches exactly 8 characters from the set below:

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

3rd Alternative(?<Visa>4[0-9]{11})

Group Visa(?<Visa>4[0-9]{11})

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

Character Class[0-9]{11}

{11}matches exactly 11 characters from the set below:

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

4th Alternative(?<Amex>3[47][0-9]{9})

Group Amex(?<Amex>3[47][0-9]{9})

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

Character Class[47]

Character Class[0-9]{9}

Group 7([0-9]{4}\D)

$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

25 tokens

Regular Expression

^(\W|000)((?<Disc>6(?:011|5[0-9]{2})[0-9]{8})|(?<Mast>(?:5[0-9]{3}|2[2-7][0-9]{2})[0-9]{8})|(?<Visa>4[0-9]{11})|(?<Amex>3[47][0-9]{9}))([0-9]{4}\D)$

Unit Tests

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