Regular Expressions 101

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Library entries

1
javascript

AD Default Password Policy

no description available
Submitted by anonymous - 8 years ago
1
pcre

periodic-digit-numbers

no description available
Submitted by Wolf - 8 years ago
2
pcre

catch options

catch options
Submitted by Marek R - 8 years ago
0
pcre

Single Mustache

no description available
Submitted by anonymous - 8 years ago
1
pcre

Indonesia Post Code

no description available
Submitted by respeto - 8 years ago
1
pcre

border syntax checker

Checks the css value for a border
Submitted by Benjamin Weigt - 8 years ago
1
pcre

lisp

match function names in defun constructs
Submitted by anonymous - 8 years ago

AMEX, VISA, MASTERCARD, and DISCOVER REGEX

Vote

4

Regular Expression
pcre

/
(?<AMEX>3[47]\d\d[\s\-]?(?!(\d)\2{5}|123456|234567|345678)\d{6}[\s\-]?(?!(\d)[\s\-]{4}|12345|56789)\d{5})|(?<MASTERCARD>5[1-5]\d{2}[\s\-]?\d{4}[\s\-]?\d{4}[\s\-]?\d{4})|(?<VISA>4\d{3}[\s\-]?(?:\d{4}[\s\-]?){2}\d(?:\d{3})?)|(?<DISCOVER>6(?:011|22?=[\s\-]?[6-9]|[3-9]|[2-8]|9[\s\-]?[01]|2[0-5]|4[4-9]\d|5\d\d)[\s\-]?\d{4}[\s\-]?\d{4}[\s\-]?\d{4})
/
gm

Description

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Submitted by David Maislin - 8 years ago