Regular Expressions 101

Pro

\ban ASCII word boundary

Group 1(\d{16})

\d{16}a digit, repeated exactly 16 times

Non-Capturing Group(?:[\/\s:|]*(\d\d)[\/\s|]*(\d{2,4})[\/\s|-]*(\d{3})|Cvv:\s*(\d{3})Expm:\s*(\d\d)Expy:\s*(\d\d))

1st Alternative[\/\s:|]*(\d\d)[\/\s|]*(\d{2,4})[\/\s|-]*(\d{3})

Character Class[\/\s:|]*

*matches any number of characters from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\sany whitespace character

:the literal : (58₁₀ / 72₈ / 3A₁₆)

|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group 2(\d\d)

\da digit

Character Class[\/\s|]*

*matches any number of characters from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\sany whitespace character

|the literal | (124₁₀ / 174₈ / 7C₁₆)

Group 3(\d{2,4})

\d{2,4}a digit, repeated between 2 and 4 times

Character Class[\/\s|-]*

*matches any number of characters from the set below:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\sany whitespace character

|the literal | (124₁₀ / 174₈ / 7C₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 4(\d{3})

\d{3}a digit, repeated exactly 3 times

2nd AlternativeCvv:\s*(\d{3})Expm:\s*(\d\d)Expy:\s*(\d\d)

Cvv:the literal text Cvv: (case sensitive)

\s*any whitespace character, repeated any number of times

Group 5(\d{3})

\d{3}a digit, repeated exactly 3 times

Expm:the literal text Expm: (case sensitive)

\s*any whitespace character, repeated any number of times

Group 6(\d\d)

\da digit

Expy:the literal text Expy: (case sensitive)

\s*any whitespace character, repeated any number of times

Group 7(\d\d)

\da digit

\ban ASCII word boundary

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

No unit tests · Add a test to get started

25 tokens

Regular Expression

\b(\d{16})(?:[\/\s:|]*(\d\d)[\/\s|]*(\d{2,4})[\/\s|-]*(\d{3})|Cvv:\s*(\d{3})Expm:\s*(\d\d)Expy:\s*(\d\d))\b

Unit Tests

There are no unit tests, click to add some.