Regular Expressions 101

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Community Patterns

3

youtube id und link

ECMAScript (JavaScript)
no description available
Submitted by ogerly - 9 years ago
3

URL Regex (protocol strict)

ECMAScript (JavaScript)
Includes resource strings, taken from here: https://gist.github.com/dperini/729294
Submitted by Diego Perini - 9 years ago
3

Validate Base64 with new lines (e.g. GPG base64 messages)

PCRE (PHP <7.3)
This regular expression validates if given string is formatted in Base64, additional it accepts new lines, since payload can have new lines in it.
Submitted by wpodgorski - 9 years ago
3

Select all number greater than 36

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

Extract All Steam Keys

PCRE (PHP <7.3)
Extract all Steam Keys from a Given String
Submitted by Ashesh Kumar - 9 years ago
3

Firt letter of names capitalize with exceptions

ECMAScript (JavaScript)
Check if brazilian names are imputed correctly. Ex: Paulo da Silva
Submitted by William - 9 years ago
3

apache access log

PCRE (PHP <7.3)
parse the apache access log
Submitted by pagu - 9 years ago
3

Match a valid IPv4 or IPv6 address

PCRE (PHP <7.3)
This regular expression will match an IPv4 address as well as both compressed or uncompressed IPv6 address.
Submitted by Tom Groeneveld, SevOne.com - 9 years ago
3

french phone number + match right part

PCRE (PHP <7.3)
Matches french numbers (not special numbers like 115, 18). First matching group contains the right part without prefix (0, +33, 33, 033, or 0033).
Submitted by xdrm-brackets - 9 years ago
3

JSON recognition

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

strong password validation

PCRE (PHP <7.3)
This regex matches only when all the following are true: password has minimum 2 uppercase letters password has minimum 2 lowercase letters password has minimum 2 numerals (0-9) password has minimum 2 special characters, of the group !@#$%^&*()-_=+{};:, password has no more than 2 consecutive identic...
Submitted by anonymous - 7 years ago
3

YouTubeVideoUrl

ECMAScript (JavaScript)
YouTubeVideoUrl
Submitted by EdwardKonovalov - 2 years ago (Last modified 2 years ago)
3

split sentence regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

IP Addresses

PCRE (PHP <7.3)
Matches IP Addresses with minimum false positives
Submitted by Austin-Hanson - 9 years ago
2

Replace \n by <br />

ECMAScript (JavaScript)
Replace non-ending string \n by the HTML tag
Submitted by anonymous - 11 years ago
0

utf-8 language

PCRE (PHP <7.3)
this regex is support for all languages
Submitted by Jigar Dhaduk - 9 years ago
3

HTML image tag src

ECMAScript (JavaScript)
Capture src attribute of HTML image tags
Submitted by Simon Altschuler - 11 years ago
3

UK Postcode Checker

PCRE (PHP <7.3)
This is an improvement of the very good tH9mQ1/1. It did not pickup on the first two postcodes found here: //http://en.wikipedia.org/wiki/Postcodes_in_the_United_Kingdom
Submitted by Flexander - 10 years ago
3

Get Nth value (3 times)

PCRE (PHP <7.3)
capture Nth character from string, 3 times
Submitted by K. - 11 years ago
3

split URL into location-resource-params

PCRE (PHP <7.3)
Extract resource location, name and query parameters from a URL
Submitted by cebence - 11 years ago
1...1617181920...902

Community Library Entry

-1

Regular Expression
ECMAScript (JavaScript)

/
^[a-z0-9.]+@[a-z0-9]+(\.[a-z]+)+$
/
i
Open regex in editor

Description

this regex validates e-mails.

const isValid= <regex>.text(value)

Submitted by anonymous - 3 years ago