Regular Expressions 101

Sponsors

Library entries

3
pcre

JSON recognition

no description available
Submitted by anonymous - 6 years ago
4
pcre

,(?=([^\"]*\"[^\"]*\")*(?![^\"]*\"))

no description available
Submitted by anonymous - 6 years ago
4
pcre

For Auto RTFs

no description available
Submitted by Dan Bloomquist - 10 years ago
4
pcre

1st TSV

no description available
Submitted by DynV - 9 years ago
4
pcre

YouTube Grabber Cleanup

no description available
Submitted by anonymous - 9 years ago
4
pcre

Task 1

Finds a happy smile, except sad one
Submitted by Kovalev Evgeny - 9 years ago
4
pcre

Hungarian ANDOK system id

no description available
Submitted by Tana - 9 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

Loading markdown...
Submitted by David Maislin - 8 years ago