Regular Expressions 101

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Community Patterns

1

syntaxic equation check

PCRE (PHP <7.3)
check if two operator follow and if two [xX] follow. You can combine this with https://regex101.com/r/qT7fO0/1
Submitted by Kerosene2000 - 9 years ago
1

equation matching (for javascript, without equal)

ECMAScript (JavaScript)
use this to get value of any side of an equation. You can combine this with https://regex101.com/r/fH5kJ1/1
Submitted by Kerosene2000 - 9 years ago
4

Equation matching (without equal)

Python
use this to get value of any side of an equation. You can combine this with https://regex101.com/r/fH5kJ1/1
Submitted by Kerosene2000 - 9 years ago
1

Both equation side matcher

PCRE (PHP <7.3)
This is able to match both side of an equation.
Submitted by Kerosene2000 - 9 years ago
0

replicated pageContent id within a div

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

test

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

OS Grid Reference

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
31

Email address (most used)

ECMAScript (JavaScript)
Email address, most used cases
Submitted by Jago - 9 years ago
19

Email (RFC2822)

Recommended
ECMAScript (JavaScript)
Email address compliant with RFC2822
Submitted by Jago - 9 years ago
1

Q_Property

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
-2

Select the numeric part of a price following an ascii dollar sign

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

URL de playlist de salvavinilos.org

Python
URL de playlist de salvavinilos.org
Submitted by anonymous - 9 years ago
2

Match at least 2-letters (international)

ECMAScript (JavaScript)
RegExp to match that user has entered at least 2-letters (including international letters) in a field
Submitted by anonymous - 9 years ago
1

#define const_value 4

PCRE (PHP <7.3)
#define const_value 4 to const uint8_t const_value 4
Submitted by Big Chuck Dawg - 9 years ago
1

const uint8_t T_SYN_3 23

PCRE (PHP <7.3)
const uint8_t T_SYN_3 23 to const uint8_t T_SYN_3 = 23;
Submitted by Big Chuck Dawg - 9 years ago
1

FQDN Fully Qualified Domain Name

PCRE (PHP <7.3)
Allow only two or more labels. Fix deprecated FQDN regexp not passing on test "dicas-l.com.br"
Submitted by Rafael Justo and Mauro Trajber - 9 years ago
0

Find array ending with comma

PCRE (PHP <7.3)
Useful for finding array error. Example: {'id':'1','name':'test',} Finds the ",}" from the example
Submitted by anonymous - 9 years ago
1

Limpar caracteres telefone

Python
Limpa os caracteres especiais e letras de um telefone imputado
Submitted by anonymous - 9 years ago
1

Emoji chars

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

match block apache

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1...833834835836837...902

Community Library Entry

1

Regular Expression
PCRE2 (PHP >=7.3)

/
(?<!\S)(?P<set> (?:(?P<a>A) | (?P<b>B) | (?P<c>C)) (?: (?(a) (?!A)) (?(b) (?!B)) (?(c) (?!C)) (?&set) )? )\s
/
gmx
Open regex in editor

Description

Matches any non-repetitive permutations of characters in a set, separated by whitespaces. For the set of characters ABC: Matches: A, BAC, CA... Doesn't match: BB, ABA, CBD...

Submitted by nuru - 7 months ago (Last modified 7 months ago)