Regular Expressions 101

Community Patterns

1...34567...881

Credit Card Number

4

Regular Expression
PCRE (PHP <7.3)

/
^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|6(?:011|5[0-9]{2})[0-9]{12}(?:2131|1800|35\d{3})\d{11})$
/
gm

Description

Validates Credit Card Numbers of different type. Supports Visa, MasterCard, American Express, Diners Club, Discover and JCB

Taken from http://www.regular-expressions.info/creditcard.html

If you want to support only a particular type, customise it based on following.

^(?:4[0-9]{12}(?:[0-9]{3})? # Visa | 5[1-5][0-9]{14} # MasterCard | 3[47][0-9]{13} # American Express | 3(?:0[0-5]|[68][0-9])[0-9]{11} # Diners Club | 6(?:011|5[0-9]{2})[0-9]{12} # Discover | (?:2131|1800|35\d{3})\d{11} # JCB )$

Submitted by Ehsan - 9 years ago