Regular Expressions 101

Order By

Sponsors

Community Patterns

5

North American Phone Number

ECMAScript (JavaScript)
Validate North American phone numbers with capture groups for the Area Code, Exchange Code, Line Number, and Extension.
Submitted by AaronBoots - 7 years ago
9

only numbers

PCRE (PHP <7.3)
A string with only numbers in
Submitted by Gotts - 8 years ago
9

Youtube ID match

PCRE (PHP <7.3)
This regex will match any Youtube video ID thrown at it and return one capturing group containing the ID.
Submitted by Jacob Overgaard - 10 years ago
8

Validate Base64 single-line string

PCRE (PHP <7.3)
no description available
Submitted by ka. - 11 years ago
6

search word with an accent

ECMAScript (JavaScript)
search any word with an accent
Submitted by Thegner Pierre - 9 years ago
6

HTML tag stripper

PCRE (PHP <7.3)
This regex will identify all html start and end tags.
Submitted by anonymous - 8 years ago
7

split URL into location-resource-params (JavaScript)

ECMAScript (JavaScript)
Extract resource location, name and query parameters from a URL (JavaScript version)
Submitted by cebence - 10 years ago
8

Extract Protocol, URL, URL Path, get parameters and hash from URI

Python
This is simplified from my last submission.
Submitted by Dale O'Brien - 10 years ago
4

Phone number

PCRE (PHP <7.3)
no description available
Submitted by Mark Landry - 9 years ago
3

SQL select columns

PCRE (PHP <7.3)
no description available
Submitted by Phan - 11 years ago
3

Task 2, part 1

PCRE (PHP <7.3)
Finds all source numbers in square brackets
Submitted by Kovalev Evgeny - 10 years ago
3

how to match both lines?

Python
f_name may contain spaces, numbers, characters,... so I would go for a but then I couldn't use [...]? anymore to match the second line?
Submitted by anonymous - 10 years ago
3

Find URLs in markdown where the lines have been wrapped

Python
no description available
Submitted by anonymous - 10 years ago
3

TimezoneOffset

ECMAScript (JavaScript)
parses timezones in the format -08:00 or -8:0
Submitted by Neha Kadam - 9 years ago
3

URL with matching categories

PCRE (PHP <7.3)
Finds the protocol, subdomain, ((domain, extension)/ipaddress), port, filepath (split in path and filename), the route and the query string.
Submitted by fps - 9 years ago
3

Smart Target Blank

ECMAScript (JavaScript)
Allow you to check if the JavaScript location.pathname is a link required adding a target="_blank".
Submitted by Bruno Lesieur - 9 years ago
3

Request mask idea

ECMAScript (JavaScript)
Do you like apis and nodejs as I do?, then this must be for you, have you noticed that all the famous apis have a common functionality? the ability to request partial responses with masks, so if you have a friend list you may want to return only a few fields you know just in case. You will end up re...
Submitted by Marco Villarreal<erick.slayer.m.v@gmail.com> - 9 years ago
3

PL Phone number

PCRE (PHP <7.3)
PL Phone number
Submitted by Dawid - 9 years ago
3

javascript regex ftp directory list

ECMAScript (JavaScript)
javascript regex ftp directory list
Submitted by anonymous - 9 years ago
3

UK TEL

ECMAScript (JavaScript)
UK Telephone Number REGEX no () and no spaces
Submitted by \JOLLY - 9 years ago
1...7891011...879

URL

0

Regular Expression
PCRE2 (PHP >=7.3)

/
^(?:(?'scheme'http[s]?):\/\/)?(?'host'[a-z0-9_\-.]+)(?:\:(?'port'[0-9]+))?(?'path'\/[^\?\s]*)?(?:\?(?'query'\S+))?
/
gm
Open regex in editor

Description

scheme host port path query

Submitted by anonymous - a year ago