Regular Expressions 101

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Community Patterns

1

result range

PCRE (PHP <7.3)
Find range in lab result text
Submitted by geoff - 9 years ago
1

bb-*

PCRE (PHP <7.3)
aaa
Submitted by wyj - 9 years ago
1

test

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

Comienzo de string

PCRE (PHP <7.3)
Señala el comienzo de un string en modo multilinea
Submitted by Juan Miguel - 9 years ago
1

Add a string to a comma-separated list if not already in list

PCRE (PHP <7.3)
matches only lines that do not contain the string uses negative look arounds appends the new item always to the back suffers from a leading comma in case the list was empty
Submitted by @ubunatic - 9 years ago
1

Проверка повтора слов

PCRE (PHP <7.3)
От начала строки, разделенных пробелом
Submitted by DocSS - 9 years ago
1

match url

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

Compare two comma separated 4-digit years (first must be greater)

PCRE (PHP <7.3)
Compares two comma separated 4-digit years, and if the first one is greater, a match is returned. AUTHOR: Wiktor Stribizew SO PRofile: http://stackoverflow.com/users/3832970/wiktor-stribi%C5%BCew
Submitted by Wiktor Stribizew - 9 years ago
1

before or equal to 12:35pm

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

match anything before 19-35pm

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

dawdw

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

IP username

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

LettersChangeNumber

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

Check sudoku

PCRE (PHP <7.3)
Check if a sudoku board is valid or not. The board has to be as a single line. Seen at http://codegolf.stackexchange.com/questions/78210/regex-golf-verify-a-sudoku-solution
Submitted by anonymous - 9 years ago
1

<Trigger R="&#92;&#92;aPC -?\d+ [^:]+:[^&#92;&#92;]+&#92;&#92;/a tells

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

Places Regex

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

/software version

PCRE (PHP <7.3)
only xxx , xxx.xxx and xxx.xxx.xxx are allowed
Submitted by neha tiwari - 9 years ago
1

g-test

PCRE (PHP <7.3)
little test for g modifier
Submitted by anonymous - 9 years ago
1

Cucumber feature regex

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

Regex ID from Gifs.com URLs

PCRE (PHP <7.3)
no description available
Submitted by gif, gifs - 9 years ago
1...459460461462463...608

Community Library Entry

3

Regular Expression
Golang

`
(?i)^(?:([a-z0-9-]+|\*)\.)?([a-z0-9-]{1,61})\.([a-z0-9]{2,7})$
`
gm
Open regex in editor

Description

Validates subdomain, root domain, and wild card domains

Submitted by AnonymousDapper - 8 years ago