Regular Expressions 101

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1

car licence registry (placa de carro)

ECMAScript (JavaScript)
brazilian car licence registry validation (validação de placa de carro brasileira e mercosul)
Submitted by edurbs - 5 months ago (Last modified 5 months ago)
1

NANP Modern Plan US Telephone / Phone number

Python
Match 10-digit phone number that mostly complies with NANP Modern Plan. https://en.wikipedia.org/wiki/North_American_Numbering_Plan Simple explanation: ...
Submitted by makinhey - 5 months ago (Last modified 5 months ago)
1

Email regex for JS

ECMAScript (JavaScript)
This reges do not covering long emails. It should check domian (64) and page name(255) limits.
Submitted by SnaYQ - 5 months ago (Last modified 5 months ago)
1

RFC 2822 standard email validation with limit of chars in name, domain name,and domain

ECMAScript (JavaScript)
Vaild: valid.email@example.com john.doe123@example.co.uk alice_smith@company.org user1234@emailprovider.net...
Submitted by anonymous - 5 months ago (Last modified 5 months ago)
1

Email Address Validation

Python
RegEx pattern to match email addresses. Visit the detailed tutorial to learn more.
Submitted by Minh Vu - 5 months ago (Last modified 5 months ago)
1

IPv4+CIDR(optional)

Python
Strict validator for IPv4 with optional CIDR Disallows 00 in any octet
Submitted by ophers - 5 months ago
1

RegEx for Treating Express Route

ECMAScript (JavaScript)
A Regex that can be applied over the following routes pattern: GET ^\/auth\/?(?=\/|$)/generate GET ^\/auth\/?(?=\/|$)/callback Applying it inside a code, it will get like this:...
Submitted by HorselessName - 5 months ago
1

CSS classes

ECMAScript (JavaScript)
This selects all (non crazy) CSS class in all valid scenarios
Submitted by anonymous - 5 months ago
1

URLs

ECMAScript (JavaScript)
A simple URL regex that can handle most "properly" formed URLs, and some URIs. It features named groups to easily destruct matches. URIs can use relative paths (../ and ./) to resources. Example (JavaScript) let url = "https://username:password@example.org:8080/path/to/resource?query=term&query=ter...
Submitted by ephellon - 5 months ago (Last modified 3 months ago)
1

Get text after parenthesis.

Python
This regular expression helps to get the strings of a line that comes after a parenthesis and a blank space. Could be useful with lines of text with or similar format of the APA citation style: Author (year) title
Submitted by anonymous - 5 months ago
1

Persian and English Title and Name and Address

ECMAScript (JavaScript)
it is a validator for name, title, address or any texts what need only accept persian-arabic alphabet and english. additional some characters like - ,
Submitted by saebkhanzadeh - 5 months ago
1

Youtube redirect regex

ECMAScript (JavaScript)
Separate the youtube tracking redirect link to its main companions Version 1 Python PHP Version 2...
Submitted by TS - 5 months ago (Last modified 5 months ago)
1

Ansible Playbook Execution - Task Output

Python
Parse Task Titles and capture results/output of each task
Submitted by Paul Cummings - 5 months ago
1

Match non LATIN-9 (ISO 8859-15) characters

ECMAScript (JavaScript)
Matches all non LATIN-9 (ISO 8859-15) characters.
Submitted by anonymous - 5 months ago
1

Capture Paragraph Text in html

Python
TLDR: It can be used to capture all the paragraphs from some webnovel sites. *update: testing other sites, I've found it lacking. This is intended to match a tag and it's closing tag. It only matches and captures if there are no other html tags nested in the tag. There is room to adjust with the...
Submitted by anonymous - 4 months ago (Last modified 4 months ago)
1

Parse OBIS Data

Python
Parsing OBIS Data
Submitted by anonymous - 4 months ago (Last modified 4 months ago)
1

Lakar Detector from Astadhyayi source text

ECMAScript (JavaScript)
// 1st: aashirling or vidhiling matches. empty string otherwise. // 2nd: i or e or o or r of lakar name l_ट or l_ङ. "" when अ. // 3rd: ट or ङ. // 4 through 13 are 9 dhatu forms Purusha(/)].
Submitted by anonymous - 4 months ago (Last modified 4 months ago)
1

Belgian license plate regex

ECMAScript (JavaScript)
Regex supporting new old license plates from Belgium but dus not support custom license plates
Submitted by anonymous - 3 months ago (Last modified 3 months ago)
1

Typographic correction for SI units

ECMAScript (JavaScript)
Matches quantities dimensioned by SI units in typical markdown-formatted plaintext documents. Replaces any spaces or HTML entities between the number and its dimensions with a "narrow non-breaking space" character. This character may fallback to a "thin space" due to its font support. The lexicograp...
Submitted by ecfrechette - 3 months ago (Last modified 3 months ago)
1

Dimensioned quantities in markdown, selected units

ECMAScript (JavaScript)
A more general match for numbers with units/dimensions in plaintext. This is unoptimized, a bit rough, and leaves out plenty of units while including some oddities. Use it as the first step to something better if you're linting md files. This was good enough for my use case, which doesn't care much ...
Submitted by ecfrechette - 3 months ago
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Youtube redirect regex

1

Regular Expression
ECMAScript (JavaScript)

/
^(?:http[s]?):(?=\/)\/\/(?:(?:www[.])?youtube[.](?:[^@\/.?#:]+))\/(?:redirect)(?:\?(?:(?=event=(?:[^&#?\/@:]+))event=[^&#?\/@:]+)(?:&(?=redir_token=(?:[a-zA-z0-9]{206}))redir_token=[a-zA-z0-9]{206})?(?:[&][^@#]+)?(?=&q)&q=([^&#?\/@:]+)(?=&)&(?:(?:[^&#?\/@:]*)+))$(?<![#])(?:[^#]*)
/
g
Open regex in editor

Description

Separate the youtube tracking redirect link to its main companions

Version 1

  • Python
  • PHP

Version 2

  • JavaScript
  • Java
  • PHP
  • C#
  • maybe more

Version 3

  • PHP
  • Java
  • C#
  • Possibly Javascript (with filtering)

Version 4 : Only bracket in return value

  • PHP
  • python
  • Golang
  • Java
  • C#
  • Rust (can work but without support for php)

first inspiration taken from here

Submitted by TS - 5 months ago (Last modified 5 months ago)