Regular Expressions 101

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Community Patterns

1

Parse CISCO NEXUS 9xxx/5xxxx show inventory output w/o | json modifier

Python
Parse CISCO NEXUS 9xxx/5xxxx show inventory output w/o | json modifier. Nexus 9xxxx don't have the json output modifier. It's a LINUX based os, so | json would fork a json binary which doesn't exist
Submitted by skalef - 3 years ago (Last modified 3 years ago)
1

Email

PCRE2 (PHP >=7.3)
Regex simples para verificação de email
Submitted by anonymous - 3 years ago
1

Fetch "text A (text B)" or "text A (text B (text C))"

PCRE2 (PHP >=7.3)
How do I extract then some text A, some text B and some text C if they are in the format some text A ( some text B ( some text C)) Please mind that in some cases may be only some text A ( some text B)...
Submitted by anonymous - 3 years ago
1

/(# .*)(&𝗐𝖾𝗀𝗈)/𝗀𝗆

PCRE2 (PHP >=7.3)
/(# .*)(&𝗐𝖾𝗀𝗈)/𝗀𝗆
Submitted by anonymous - 3 years ago
1

Valid RGB color value

ECMAScript (JavaScript)
Pattern for matching actually valid RGB values. validate separator (mixing spaces and commas between values is not valid) validate if comma is used as separator if alpha channel is set validate units (mixing percentage with integers is not valid) extract r, g, b, a, separator and unit with named gr...
Submitted by BorisTB - 3 years ago (Last modified 3 years ago)
1

Match Windows filename in any path but only C: D: and F: drives

Java 8
Used for Service Discovery in vRealize Operations. Use case is a service that can be installed on any path, but we only want to discover and monitor services installed on standard production drives (C, D or F). Filename will always be the same.
Submitted by Various - 3 years ago
1

Backtracking Test

PCRE2 (PHP >=7.3)
Submitted by farhan - 3 years ago
1

ss001

Python
Rep
Submitted by anonymous - 3 years ago
1

hashtag

ECMAScript (JavaScript)
gfhgfhghfg
Submitted by anonymous - 3 years ago
1

trino kill query

PCRE2 (PHP >=7.3)
trino kill query
Submitted by anonymous - 3 years ago
1

trino kill query ID

PCRE2 (PHP >=7.3)
trino kill query ID
Submitted by anonymous - 3 years ago
1

Sutthinart

PCRE2 (PHP >=7.3)
Private Regex Library
Submitted by Sutthinart Khunvadhana - 3 years ago
1

match all between quotes

PCRE2 (PHP >=7.3)
this matches everything between quotation marks, the \" can be changed into whatever you need
Submitted by anonymous - 3 years ago
1

matches commas not before, after or between digits

PCRE2 (PHP >=7.3)
this matches all commas except for ones that are next to a digit in some way. change the , or \d or \D according to needs
Submitted by anonymous - 3 years ago
1

Conteúdo de Tag

PCRE2 (PHP >=7.3)
Captura o conteúdo do Lang do Twig. Serve pra qualquer conteúdo de tags.
Submitted by Marcelo Gomes - 3 years ago
1

Email Address subdomains support

ECMAScript (JavaScript)
It checks email addresses supporting subdomains name@gmail.com name.surname@fda.gov name_surmna05@kernel.org name-surname@redaktion.derspiegel.de...
Submitted by anonymous - 3 years ago
1

11

Java 8
11
Submitted by 11 - 3 years ago
1

Parse URLs

Python
A regular expression to parse URLs. Complete with comments.
Submitted by D. Torres - 3 years ago
1

Currency amount validation with sign (cents optional)

ECMAScript (JavaScript)
Allows Number: Currency amount US (cents optional) Can use US-style 123,456.78 notation Optional thousands separators; optional two-digit fraction; commas; dollar sign
Submitted by NatZol - 3 years ago
1

1

ECMAScript (JavaScript)
1
Submitted by anonymous - 3 years ago
1...775776777778779...902

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^rgba?\((?:\s+)?(?<r>\d+(?<unit>%?))(?:\s+)?(?<separator>[\s|,])(?:\s+)?(?<g>\d+\k<unit>)(?:\s+)?\k<separator>(?:\s+)?(?<b>\d+\k<unit>)(?:\s+)?(?:(?<=(?:,.+))(?:,(?:\s+)?(?<a>(?:\d+)?(?:\.?\d+)))?(?:\s+)?)?\)$
/
gm
Open regex in editor

Description

Pattern for matching actually valid RGB values.

  • validate separator (mixing spaces and commas between values is not valid)
  • validate if comma is used as separator if alpha channel is set
  • validate units (mixing percentage with integers is not valid)
  • extract r, g, b, a, separator and unit with named groups
Submitted by BorisTB - 3 years ago (Last modified 3 years ago)