Regular Expressions 101

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Community Patterns

-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

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
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

FRDocExpression

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

mmtro-back log

Python
no description available
Submitted by anonymous - 9 years ago
0

Not Empty String

PCRE (PHP <7.3)
Match a not-empty string. A string with only spaces or no characters is an empty-string. When match something, mathc all the string with the exception of the eventually space at the and
Submitted by Luca - 9 years ago
0

111

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

L0

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

add hint path to csproj references

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

Extract domain and path from video embeds

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

C-Syle If Statement to Excel

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

CPF

ECMAScript (JavaScript)
Validador de CPF
Submitted by Gustavo Américo - 9 years ago
-3

FQDN Fully Qualified Domain Name

PCRE (PHP <7.3)
no description available
Submitted by Rafael Justo and Mauro Trajber - 9 years ago
1

Encontrar espaço em branco duplicado

PCRE (PHP <7.3)
White space
Submitted by Gustavo Américo - 9 years ago
1

extract java property name and value

PCRE (PHP <7.3)
correctly handle the case where the value is splitted on multiple lines.
Submitted by Zart Colwing - 9 years ago
1

Single-line comment extraction

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

str with whitespace not starting with space

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

EIS Chef Runlist Regex

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

URL infos

PCRE (PHP <7.3)
A powerful regex (fewest steps possible) which gives you all the information about urls.
Submitted by MCMainiac - 9 years ago
0

Fully Qualified Domain Name FQDN

PCRE (PHP <7.3)
Fully qualified domain name validation
Submitted by ximbs - 9 years ago
1...835836837838839...902

Community Library Entry

1

Regular Expression
Python

r"
(?<![\$])\$\$([^$]+)\$\$(?!\$)
"
g
Open regex in editor

Description

Find all instances of a double dollar delimited centred LaTeX equation, for use with e.g. KaTeX

Submitted by drewsberry - 10 years ago