Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

0

Regex to match sentences that sound like yelling

Python
Bob answers 'Whoa, chill out!' if you yell at him. You can use this regex to match regexes like "WHAT THE HELL WERE YOU THINKING?"
Submitted by Chaiwa Berian - 9 years ago
1

Yell Regex Version 2

Python
This version matches any sentence that sounds like yelling even it doesnt end with ? or !
Submitted by Chaiwa Berian - 9 years ago
-2

username in url

PCRE (PHP <7.3)
should start with letter follow by letters and numbers and (-) - zero or more can't start or finish with (-) can't have two or more consecutive (-) char
Submitted by Ali Azmoude - 9 years ago
1

Duration with mandatory 'm'

ECMAScript (JavaScript)
Parses date-time duration strings +-1y2M3d4h5m6s, where 'm' is the dafault. Like this, where {} contains list of capturing groups: 21 - parsed as {,,,,21,} 2y2s - parsed as {2,,,,,2}
Submitted by mbonaci - 9 years ago
0

Beginning of word

PCRE (PHP <7.3)
When looking for day, Sunday should not be matched.
Submitted by Ben - 9 years ago
1

Extract values from log

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

Crop mikrotik neighbor lines

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

twitter ids

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

inline-sub-via-sed

PCRE (PHP <7.3)
regex for inline substitution w/ sed
Submitted by anonymous - 9 years ago
1

Caculator

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

Regex_Article

PCRE (PHP <7.3)
Start with two letters and followed by any number of Integers
Submitted by S - 9 years ago
1

Select any decimal

PCRE (PHP <7.3)
With this pattern possible select decimal that cantain comma or space
Submitted by natan - 9 years ago
1

2013b

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

Phone number tests

PCRE (PHP <7.3)
Test a given string for phone number variations and extract th parts.
Submitted by anonymous - 9 years ago
1

match block apache

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

Emoji chars

ECMAScript (JavaScript)
no description available
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
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

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

#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...108109110111112...901

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
^\/?[+-]?P?([0-9]+[Yy])?([0-9]+M)?([0-9]+[Dd])?[Tt]?([0-9]+[Hh])?([0-9]+m|(?:[0-9]+m?(?![0-9]+[Ss])))?([0-9]+[Ss])?$
/
Open regex in editor

Description

Parses date-time duration strings [+-][P]1y2M3d4h5m6s, where 'm' is the dafault. Like this, where {} contains list of capturing groups: 21 - parsed as {,,,,21,} 2y2s - parsed as {2,,,,,2}

Submitted by mbonaci - 9 years ago