Regular Expressions 101

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Community Patterns

11

find all link(<a>) tags expect your links in href attribute

ECMAScript (JavaScript)
YourLink - not found AnotherLink - found
Submitted by KoT - 9 years ago
87

Password Validation

ECMAScript (JavaScript)
Checks that a password has a minimum of 6 characters, at least 1 uppercase letter, 1 lowercase letter, and 1 number with no spaces.
Submitted by Christian Klemp - 9 years ago
9

UUID

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
9

English date in "dd mmmm yyyy" format

Python
Parse an English date following the "dd mmmm yyyy" format.
Submitted by Tantale - 9 years ago
15

Hashtag

ECMAScript (JavaScript)
The secret of the Twitterverse.
Submitted by Joogl - 10 years ago
35

IP Address validator

ECMAScript (JavaScript)
Validates IPv4 IP Address
Submitted by krzysp - 9 years ago
73

Regex for telephone numbers all over the world

Recommended
ECMAScript (JavaScript)
Detects most of the phone numbers all over the world
Submitted by Aditya Joshi - 11 years ago (Last modified a year ago)
7

SO: fail2ban regular to find 403 request in nginx

Python
http://stackoverflow.com/q/25778420/2072035
Submitted by anonymous - 10 years ago (Last modified a year ago)
7

TimezoneOffset

ECMAScript (JavaScript)
used to parse timezone in the format -08:00 or +05:30
Submitted by Neha - 10 years ago
7

simple email

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
7

Extract currency with currency symbol if present

ECMAScript (JavaScript)
Extracts values of the form £nnn,nnn.nn or $nnn.nnn from text
Submitted by Simon Gardner - 9 years ago
5

Form Tag

Python
Form Tag
Submitted by Jay Patel - 9 years ago
5

psswd

Python
no description available
Submitted by anonymous - 9 years ago
5

Find and extract email domain

Python
Find and extract email domain. Ex: test@example.pt -> extract 'example.pt'
Submitted by Fnxk - 9 years ago
5

Match Only Text

Python
no description available
Submitted by anonymous - 8 years ago
12

Full url parse, domain, path, params

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
13

Credit Card Expiry Date

ECMAScript (JavaScript)
Allows inserting expiry date as MM/YYYY or MM-YYYY format
Submitted by Rider - 9 years ago
10

money: either 0 or 2 dp

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
14

us postal/zip

ECMAScript (JavaScript)
no description available
Submitted by jay johnson - 11 years ago
13

US Currency Format

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
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Community Library Entry

11

Regular Expression
ECMAScript (JavaScript)

/
(?:https?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|playlist\?|watch\?v=|watch\?.+(?:&|&#38;);v=))([a-zA-Z0-9\-_]{11})?(?:(?:\?|&|&#38;)index=((?:\d){1,3}))?(?:(?:\?|&|&#38;)?list=([a-zA-Z\-_0-9]{34}))?(?:\S+)?
/
g
Open regex in editor

Description

extract video id, index, play list id from youtube url

Submitted by anonymous - 9 years ago