Regular Expressions 101

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Community Patterns

52

Disorted Email Addresses

PCRE (PHP <7.3)
Matches distorted email addresses and converts them back to real ones.
Submitted by dislick - 12 years ago
40

URL regexp

PCRE (PHP <7.3)
A quite neat regular expression for URLs, e-mails..., I found on Matthew O'Riordan's blog.
Submitted by Matthew O'Riordan - 12 years ago
1...900901902

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
(3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9]{2})[0-9]{12}|(?:2131|1800|35\d{3})\d{11})
/
g
Open regex in editor

Description

Captures credit card looking sequence of digits Luhn validation remains required as a complement.

Submitted by OP - 10 years ago