Regular Expressions 101

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Community Patterns

2

Password Validation

Python
Checks for password containing at least 1 Upper case, 1 lower case, 1 digit and 1 special character, all together with a length of at least 8. (This pattern allows any order of the requried elements, other than what was been distributed here before)
Submitted by Tom Spielvogel - 9 years ago
2

test

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

MAC address capturing

Python
Captures MAC addressess in any format: aa bb cc dd ee ff aa-bb-cc-dd-ee-ff aa:bb:cc:dd:ee:ff aabb.ccdd.eeff aabbccddeeff
Submitted by Gilian - 9 years ago
2

Regex for Chemical Compounds

Python
no description available
Submitted by Haiming Zhao - 9 years ago
1

Tag Text

Python
Match text between html tags
Submitted by Si - 9 years ago
1

Find multiline links a HTML tag

Python
Find multiline links a HTML tag
Submitted by CyberLight - 9 years ago
1

regular expression to match word starting with space

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

Replace Czech accents, Part 1

Python
The result of this put as input into part 2.
Submitted by Premysl Karbula - 9 years ago
1

url

Python
no description available
Submitted by oniro - 8 years ago
2

Search for attributes

Python
A search attribues in a image tag.
Submitted by Agustín Bouillet - 8 years ago
2

SASS variables parser

Python
Parse SASS variables returning its variable name and properties.
Submitted by Agustín Bouillet - 8 years ago
2

exp1

Python
no description available
Submitted by anonymous - 8 years ago
1

html image tags

Python
no description available
Submitted by Thien Ho - 8 years ago
2

EclipseKeyword_2

Python
no description available
Submitted by Rashmin - 8 years ago
2

AliasMatch

Python
no description available
Submitted by anonymous - 8 years ago
2

Find PHP object variables

Python
Find PHP object variables, and replace them with (array)brackets.
Submitted by The Milkman - 8 years ago
2

Adress regex

Python
no description available
Submitted by Ali - 8 years ago
2

Password (4 Classes)

Python
1 Uppercase 1 lower case 1 number 1 not a number or letter
Submitted by anonymous - 8 years ago
2

IPv6 detection

Python
It's too large to match with all which seems like an IPv6. It's not perfect, but it's detects more valid IPv6 than some others regex.
Submitted by Ajabep - 8 years ago
2

.*(\d+).* Selects last number

Python
no description available
Submitted by anonymous - 8 years ago
1...678910...112

Community Library Entry

0

Regular Expression
.NET 7.0 (C#)

@"
^(?=(?<http>(?:https?:\/\/){1}(?:www\.)?)?)(?(?=\k<http>?(?<ipaddr>(?:\d{1,3}\.){3}\d{1,3}(?:\:\d{1,5})?))\k<http>?\k<ipaddr>(?:\.[\w]{1,9})?|\k<http>(?:[\w]\.?){1,255}\.[\w]{1,9})(?:\/.*)?$
"
gm
Open regex in editor

Description

Can be used to validate on URL's.

Submitted by anonymous - a year ago