Regular Expressions 101

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Community Patterns

1

DATE FORMAT REGEX ALL COMBINAISIONS

PCRE2 (PHP >=7.3)
For the day: d Displays the day as a number without a leading zero (1-31). dd Displays the day as a number with a leading zero (01-31). ddd Displays the day as an abbreviation (Sun-Sat) dddd Displays the day as a full name (Sunday-Saturday) ...
Submitted by EYA GHACHEM - a year ago
1

FORMAT DATE WITH NO SEPARATOR

PCRE2 (PHP >=7.3)
For the day: d Displays the day as a number without a leading zero (1-31). dd Displays the day as a number with a leading zero (01-31). ddd Displays the day as an abbreviation (Sun-Sat) dddd Displays the day as a full name (Sunday-Saturday) ...
Submitted by EYA GHACHEM - a year ago
1

EU VAT numbers

PCRE2 (PHP >=7.3)
Based on this expression and updated Oct 2023 using wikipedia
Submitted by Henk-Jan @ Cargoplot - a year ago
1

CFF-definitions.reference.PMCID (1.3.0)

PCRE2 (PHP >=7.3)
Pattern for validating a definitions.reference.pmcid value in the Citation File Format (CFF), v1.3.0
Submitted by stephan druskat, jurriaan h. spaaks - a year ago
1

Validate email address (unicode)

ECMAScript (JavaScript)
Validate unicode email addresses
Submitted by anonymous - a year ago (Last modified 5 months ago)
1

Validate and split street and house number (trailing house number)

ECMAScript (JavaScript)
Validate and split street address (street and house number) with trailing house number
Submitted by anonymous - a year ago (Last modified a year ago)
1

Validate and split street and house number (leading house number)

ECMAScript (JavaScript)
Validate and split street address (street and house number) with leading house number
Submitted by anonymous - a year ago
1

INI Parser

PCRE2 (PHP >=7.3)
comments section key = value key = ltrim
Submitted by foul11, raxdiam - a year ago
1

Get number user format

PCRE2 (PHP >=7.3)
Get number user format
Submitted by blurzoom - a year ago (Last modified a year ago)
1

12px

PCRE2 (PHP >=7.3)
查找替换
Submitted by anonymous - a year ago
1

nomor telp lokal wakanda

ECMAScript (JavaScript)
indonesian telephone number
Submitted by aku dewe - a year ago
1

testregexaa

PCRE2 (PHP >=7.3)
aaa
Submitted by aaa - a year ago
1

ipv4 and ipv6 with mask in CIDR

PCRE2 (PHP >=7.3)
Match and validate both ipv4, ipv6 and CIDR notation mask!
Submitted by Stefanos Mitropoulos - a year ago
1

Repeat character with custom symbol

PCRE2 (PHP >=7.3)
OK
Submitted by UVT - a year ago
1

Group tags and lyrics

Python
Group tags and lyrics in one lrc file, multiple lines
Submitted by Cricar - a year ago
1

Match each tag

Python
Match each tag in a lrc file
Submitted by Cricar - a year ago
1

Extract tag name and its content

Python
Lrc file
Submitted by Cricar - a year ago
1

Workaround for IIS rewrite rule redirects with urls

PCRE2 (PHP >=7.3)
Make sure http[s]:// uses two slashes, not one. IIS rewrite rules removes double slashes in the raw URL, breaking YOURLS (PHP) for example. This regexp changes all single slashes to double after a web protocol, including nested querystrings.
Submitted by DeveloperDog - a year ago (Last modified a year ago)
1

Durbar Bagerhat

PCRE2 (PHP >=7.3)
/Explore the latest news and updates about Bagerhat on Durbar Bagerhat, your go-to source for insightful articles and information/gm
Submitted by Faisal Hossain - a year ago (Last modified a year ago)
1

Full HTML recognition for Udacity Project

PCRE2 (PHP >=7.3)
Udacity AI for Trading - Project 6: Analyzing Stock Sentiment from Twits ( Sentiment Analysis) needs a HTML parsering. Examples came from the actual course exercise. Future improvements I could identify, make it a group and parser each /texttext/ pattern, if necessary ← perhaps it may have some ...
Submitted by Eduardo Passeto - a year ago (Last modified a year ago)
1...818819820821822...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
\A[A-Za-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[A-Za-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[A-Za-z0-9](?:[A-Za-z0-9-]*[A-Za-z0-9])?\.)+[A-Za-z0-9](?:[A-Za-z0-9-]*[A-Za-z0-9])?\z
/
g
Open regex in editor

Description

Email address: RFC 2822 Format Matches a normal email address. Does not check the top-level domain. Copied from: https://stackoverflow.com/a/16168103/4640611

Submitted by anonymous - a year ago