Regular Expressions 101

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Community Patterns

-2

finds the instance of two or more repeating letters

Python
no description available
Submitted by cp0153 - 9 years ago
1

Date format

ECMAScript (JavaScript)
date should be in format YYYYMMDDHHMMSS
Submitted by Prashant Kumar Dubey - 9 years ago
1

Replace second grouping with first

PCRE (PHP <7.3)
Identifies two groups, each group using a regex, then replaces group 2 with group 1.
Submitted by Stuart Shannon - 9 years ago
1

Extract PORT from URL

PCRE (PHP <7.3)
Extract port from URL
Submitted by anonymous - 9 years ago
1

username

PCRE (PHP <7.3)
Letras, Ñ, acentos, números, guión y barra baja
Submitted by diegosanz - 9 years ago
1

fact refactor

Python
no description available
Submitted by anonymous - 9 years ago
-2

twitter usernames

Python
no description available
Submitted by anonymous - 9 years ago
1

Search for progressive download numbre

PCRE (PHP <7.3)
no description available
Submitted by Antonio Malatesta - 9 years ago
-1

Grep the daily purchase price for 250 g gold from http://www.scheidean

PCRE (PHP <7.3)
Grep the daily purchase price for 250 g gold from http://www.scheideanstalt.de/aktuelle-ankaufskurse/ankaufskurse-barren/: gold=$(wget -q -O- http://www.scheideanstalt.de/aktuelle-ankaufskurse/ankaufskurse-barren/ | grep "250 g" | sed -r 's/^.250 g]>([0-9]+)\.([0-9]+[0-9]+[0-9]+)\,([0-9]+[0-9]+).*$...
Submitted by MH - 9 years ago
0

token

ECMAScript (JavaScript)
replace token like [foo:bar:ba zz]
Submitted by anonymous - 9 years ago
1

search text matching any word

ECMAScript (JavaScript)
search text matching any word
Submitted by Hiren Shah - 9 years ago
0

date format regex for MM/dd/yyyy in javascript

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
-2

Date format regex for ddMMMyyyy

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
2

date formatting mm/dd/yyyy format

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

a

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

url match

PCRE (PHP <7.3)
match the most common url stuctures
Submitted by whoevor - 9 years ago
1

Validate cron schedule string

PCRE (PHP <7.3)
Validates a string for valid cron schedules such as 10:45, 11:15 etc.
Submitted by Michael Sundgaard - 9 years ago
1

email matcher

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1

CronSchedule Verifier

PCRE (PHP <7.3)
Verifies a cron schedule pattern such as: 10:45 or multiple times such as: 11:00 22:10 23:15
Submitted by Michael Sundgaard - 9 years ago
1

author bibtext

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1...830831832833834...902

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
(cognito-idp\.([a-z]{2}-[a-z]{3,5}-[0-9]{1,3})\.amazonaws\.com\/([a-z]{2}-[a-z]{3,5}-[0-9]{1,3}_[0-9]{7,11}))
/
gm
Open regex in editor

Description

https://docs.aws.amazon.com/cognito/latest/developerguide/cognito-dg.pdf#cognito-scenarios

Submitted by anonymous - 2 years ago