Regular Expressions 101

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Community Patterns

1

test

ECMAScript (JavaScript)
testing
Submitted by madgregory - 6 days ago
1

Factorization: Zero, Unit, Primes, or Composite?

.NET 7.0 (C#)
Description Inspects lines that contain only a character, let's say c, repeated n times. The name of the matching groups will tell you if n is 0, the unit 1, a prime number, or a composite number. Alternative ...
Submitted by kevinhp - 9 days ago
1

Credit Cart Prediction & Validation

ECMAScript (JavaScript)
Credit Card Carrier Prediction This regex is specifically designed to predict from the first few characters which carrier type the credit card number is.
Submitted by anonymous - 25 days ago (Last modified 23 days ago)
1

Search for markup elements with an attribute

ECMAScript (JavaScript)
In this example we are searching for all element/component in JSX that have the is="secondary" prop. This regex was tested with VS Code
Submitted by anonymous - a month ago
1

short IPV4 Capture

ECMAScript (JavaScript)
(?(?:(?:25[0-5]|(?:2[0-4]|1\d|[1-9]|)\d)\.?\b){4}) Originating from ^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)\.?\b){4}$ at only 43 chars Source: Danail Gabenski
Submitted by 0xp - a month ago
1

Teste RISOLUTO button com span ícone

ECMAScript (JavaScript)
Teste
Submitted by risoluto - a month ago
1

Class name validator

ECMAScript (JavaScript)
Validate if class name pass this criteria: A valid name should start with a letter (a-z)[A-Z] , an underscore (_), or a hyphen (-) which is followed by any numbers, hyphens, underscores, letters. A name should be at least two characters long. Cannot start with a digit, two hyphens or a hyphen fo...
Submitted by Agustín Bouillet - a month ago
1

Bitbucket URL Parser

ECMAScript (JavaScript)
A regular expression for extracting the author, repository name, and optional branch from a Bitbucket repository or tree URL. Handles both HTTP(S) and direct Bitbucket links.
Submitted by Xain - 2 months ago
1

GitLab URL Parser

ECMAScript (JavaScript)
A regular expression for extracting the author, repository name, and optional branch from a GitLab repository or tree URL. Handles both HTTP(S) and direct GitLab links.
Submitted by Xain - 2 months ago (Last modified 2 months ago)
2

GitHub URL Parser

ECMAScript (JavaScript)
A regular expression for extracting the author, repository name, and optional branch from a GitHub repository or tree URL. Handles both HTTP(S) and direct GitHub links.
Submitted by Xain - 2 months ago
1

Discord - Command Name

ECMAScript (JavaScript)
Verification of Application Command names for Discord's API. Useful for Discord applications. Source : discord.dev
Submitted by volcanofr - 2 months ago
1

Word Pattern

ECMAScript (JavaScript)
Word Patterns - multilanguage Separating words that handle many use cases I needed, more than simple /\bword\b/gi. Below are some targeted test cases and acceptable failed cases: ...
Submitted by Bryan Ho - 2 months ago
1

vozuskia (cs/sk)

Java 8
Addes a non-breaking space after any of the letters included in the [vozuskia] class.
Submitted by Manuel Souto Pico - 2 months ago
1

url_validation_url_doğrulama

ECMAScript (JavaScript)
^ - This signifies the start of the expression. https?:// - This matches either "http://" or "https://". (www.)? - This makes the "www." subdomain optional. [A-z0-9]+ - This matches one or more alphanumeric characters for the domain name. . - This matches a literal period character. [A-z0-9]+ - This...
Submitted by Emre Yıldırım - 2 months ago
1

Timestamp Regex

ECMAScript (JavaScript)
matches a timestamp that is in the format of Aug 14, 2024, 10:12 AM or month shortcode followed by day, year, time in 12 hours
Submitted by astro - 2 months ago
1

german date era with tolerance: n. Chr. or v. Chr. / n. Ztr of v. Ztr

ECMAScript (JavaScript)
Maches german era notations in date "v. Chr" and "v. Ztr" It is meant to be tolerant : periods and spaces are optional, and it is case insensitive
Submitted by Olivier CHEVET - 2 months ago
1

E-mail pattern for html input.

ECMAScript (JavaScript)
Simply e-mail pattern for html tag.
Submitted by KsaR99 - 2 months ago
1

Simple but powerful email

ECMAScript (JavaScript)
"/" - start of regular expression "^" - anchor to beginning of string Group: [a-z0-9]+ "[a-z0-9]" - Latin character or digit "+" - occurring ONE or more times...
Submitted by Diableros [https://github.com/Diableros] - 2 months ago (Last modified 2 months ago)
2

Command line parser

.NET 7.0 (C#)
Supports parameters such as keys and values, also parameters enclosed in quotes.
Submitted by Pavel Bashkardin - 3 months ago (Last modified 3 months ago)
1

ObjAction(\s+\=|\=)(\s+\[|\[).*?\;

ECMAScript (JavaScript)
asdad
Submitted by anonymous - 3 months ago (Last modified 2 months ago)
123...189

Community Library Entry

1

Regular Expression
.NET 7.0 (C#)

@"
[^\s\w\d«»@“”/\\№‘’_\-'()!?.,:;%—=+*\[\]~]
"
gm
Open regex in editor

Description

Если вы подаёте электронное заявление через портал Госуслуг и набираете текст в стороннем редакторе, то при попытке отправить такое заявление может появиться ошибка о наличии недопустимых символов.

С помощью этого регулярного выражения вы сможете найти недопустимые символы и скорректировать текст сообщения.

Submitted by NG256 - 6 months ago