Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

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

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

Extract tag name and its content

Python
Lrc file
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

Group tags and lyrics

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

Repeat character with custom symbol

PCRE2 (PHP >=7.3)
OK
Submitted by UVT - 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

testregexaa

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

nomor telp lokal wakanda

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

12px

PCRE2 (PHP >=7.3)
查找替换
Submitted by anonymous - 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

INI Parser

PCRE2 (PHP >=7.3)
comments section key = value key = ltrim
Submitted by foul11, raxdiam - a year ago
3

Placeholder resolving

.NET 7.0 (C#)
.Net regular expression for resolving placeholders in the format of ${rewriter(multilevel:key)?fallback} (+ variations)
Submitted by anonymous - 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

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 email address (unicode)

ECMAScript (JavaScript)
Validate unicode email addresses
Submitted by anonymous - a year ago (Last modified 3 months 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

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

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

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...3536373839...900

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^(?<street>(?!\d+ )[\p{L}\d'\u2018-\u2019]+\.?(?:[ -][\p{L}\d'\u2018-\u2019]+\.?)*(?<! \d+)),? (?<houseNumber>[1-9\p{L}][\d\p{L}]*(?:(?: | ?[\-/+,] ?)[\d\p{L}]+)*?)$
/
umg
Open regex in editor

Description

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

Submitted by anonymous - a year ago (Last modified a year ago)