Regular Expressions 101

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Community Patterns

4

Epic EHR Sticker QR code patient information

PCRE (PHP <7.3)
Text output produced by reading the QR code present on patient stickers created by Epic (R) medical record software
Submitted by MeWa - 9 years ago
4

TV series season and episode names

PCRE (PHP <7.3)
This regex matches against season and series names
Submitted by mikey - 9 years ago
4

Typescript - /// <reference path="..."/> Expression

ECMAScript (JavaScript)
Finds Typescript's reference path syntax.
Submitted by Lovelidge, Shawn - 9 years ago
4

Remove common numeric suffixes (eg: 40m, 60%)

PCRE (PHP <7.3)
Usage: "40%".replace(/\b([\d\.]+)mkb%/ig, '$1')
Submitted by anonymous - 9 years ago
4

Validate hex color

PCRE (PHP <7.3)
Validates hexadecimal color codes based on the following rule set: Optionally starting with a hash. 3 or 6 characters in length. Using the [0-9a-f] character set.
Submitted by Nathaniel Blackburn - 9 years ago
4

Jeff Test

PCRE (PHP <7.3)
Valid and Invalid emails
Submitted by anonymous - 9 years ago
4

JWT Validation

PCRE (PHP <7.3)
Validate a Json Web Token (JWT).
Submitted by Erik Maas - 9 years ago
4

kenteken validator

PCRE (PHP <7.3)
validator voor kenteken vb: 11-AA-BB
Submitted by Senne Root - 9 years ago
4

find uncommented coffeescript console.logs

ECMAScript (JavaScript)
no description available
Submitted by valiafetisov - 9 years ago
4

Version Matcher

PCRE (PHP <7.3)
Matches version strings.
Submitted by anmols - 9 years ago
4

extract domain with port

ECMAScript (JavaScript)
no description available
Submitted by yooresh - 9 years ago
4

Function Declaration / Expression

ECMAScript (JavaScript)
matches both function declarations and expressions in javascript. ex. function name () {...} || function () {}
Submitted by Ja Superior - 9 years ago
4

DNS hostname well-formedness validation

PCRE (PHP <7.3)
Validates that a DNS hostname is well-formed only. You will still need to check that the overall length of the hostname, including the implied trailing "." (if not present), does not exceed 255 bytes.
Submitted by Jeff Walter - 9 years ago
4

MasterCard validate 2017

PCRE (PHP <7.3)
Match a MasterCard with new range for 2017: 51-55 and 2221-2720 @incarnated
Submitted by John C - 9 years ago
4

UK Postcode

ECMAScript (JavaScript)
no description available
Submitted by msyed - 9 years ago
4

Validate Argentinian postal code

PCRE (PHP <7.3)
Validates CPA (Código Postal Argentino, spanish for Argentinian Postal Code).
Submitted by Agustín Bouillet - 9 years ago
4

Validates argentinian postal code

PCRE (PHP <7.3)
Validates the two valid postal codes in Argentina
Submitted by Agustín Bouillet - 9 years ago
4

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

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
4

remove blank keys in query string

PCRE (PHP <7.3)
looks for blank keys in the query string and remove it, in order to make shorter request.
Submitted by M.Nizam - 8 years ago
4

Credit Card Validation - MasterCard, Visa, Amex, Discover

PCRE (PHP <7.3)
MasterCard - ^5[1-5]\d+ Visa - ^4\d+ Amex - ^3[47]\d+ Discover - 6011|65|64...
Submitted by Eric Foster - 8 years ago
1...894895896897898...901

Community Library Entry

4

Regular Expression
PCRE (PHP <7.3)

/
(^5[1-5]|^4|^3[47])|(^6011|65|64[4-9]|622(1(2[6-9]|[3-9]\d)|[2-8]\d{2}|9([01]\d|2[0-5])))\d+
/
g
Open regex in editor

Description

MasterCard - ^5[1-5]\d+ Visa - ^4\d+ Amex - ^3[47]\d+ Discover - 6011|65|64...

Submitted by Eric Foster - 8 years ago