Regular Expressions 101

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Community Patterns

4

url

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

Single lone digits

PCRE (PHP <7.3)
Find single digits that are not part of an integer. For example, "27" should not match, but "27.1" will match the "1". "27.11" won't match.
Submitted by Conan Dombroski - 9 years ago
0

/[a-f0-9]{8}(?:-[a-f0-9]{4}){3}-[a-f0-9]{12}

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
0

Match HTTP error code

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

python:S117

PCRE (PHP <7.3)
Local variable and function parameter names should comply with a naming convention
Submitted by anonymous - 9 years ago
0

Nickname

PCRE (PHP <7.3)
Nickname validation. Only: letters _ One line. Tested with RoR
Submitted by Paramoshkin Andrew - 9 years ago
0

add colon between hours and minutes to time (24h system)

PCRE (PHP <7.3)
This expression converts any 3- or 4 digit timevalue to a value with colon between hours and minutes. So 345 is converted to 3:45 and 1500 is converted to 15:00
Submitted by Patrick Sinke - 9 years ago
0

Facebook url regex

PCRE (PHP <7.3)
no description available
Submitted by Devs Devaras - 9 years ago
-3

Facebook url regex

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

ServiceNow - Retrieve text from an Email

ECMAScript (JavaScript)
retrieve multiple lines from an email body.
Submitted by Evan Williams - 9 years ago
0

Phone validate

ECMAScript (JavaScript)
Validate Phone number even if contain country code
Submitted by Jorge Cervantes - 9 years ago
1

tag searching

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

require, require_once, include, include_once search

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

Product model ID extractor

Python
Extracts a model ID from a product title. Like this: "Автомагнитола ALPINE CDE-100EUB/4S белая" -> "CDE-100EUB" Over 80 tests.
Submitted by anonymous - 9 years ago
1

my apache2 access.log regex

PCRE (PHP <7.3)
google.com:80 212.111.203.171 - - [02/Mar/2015:10:27:04 +0000] "GET /css/style.css HTTP/1.1" 304 138 "http://google.com" "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36"
Submitted by marf - 9 years ago
1

Product model extractor

Python
Extracts a model ID from a product title
Submitted by Aleksandr Glyzov <aleksandr.glyzov@yandex.ru> - 9 years ago
1

country name

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

i18 language lines extraction

ECMAScript (JavaScript)
Extracts lines with i18 prefix from text
Submitted by anonymous - 9 years ago
1

Bar Number

ECMAScript (JavaScript)
Length of 5 or 7. if 7, it should start with 20.
Submitted by Chris Roe - 9 years ago
-2

Mathematical Expressions

PCRE (PHP <7.3)
ValidatesMathematical Expressions. Ignores whitespace. Includes parenthesis matching.
Submitted by Jeremy Friesen - 9 years ago
1...825826827828829...902

Community Library Entry

-2

Regular Expression
PCRE (PHP <7.3)

/
# https://regex101.com/r/fP1oQ6/2 (?(DEFINE)# (?<W>\s*) (?<V>\d+(?:\.\d+)?(?&W)) (?<S>[-+]?) (?<O>(?&W)[-+*\/](?&W)) (?<E>(?&S)(?:(?&V)|\((?&W)(?&E)(?&W)\))(?:(?&O)(?&E))?)# )# ((?&E))
/
xgJ
Open regex in editor

Description

ValidatesMathematical Expressions. Ignores whitespace. Includes parenthesis matching.

Submitted by Jeremy Friesen - 9 years ago