Regular Expressions 101

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Community Patterns

3

@media query tokenizer

ECMAScript (JavaScript)
Separates media query into rule and content
Submitted by Stephan --> CTS_AE - 10 years ago
2

Dotted Decimal IPv4 Adress (for programming languages)

PCRE (PHP <7.3)
Searches for dotted decimal IPv4 Adresses and saves the numbers in match groups.
Submitted by anonymous - 10 years ago
2

foreach

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
2

Out of office

ECMAScript (JavaScript)
This is why
Submitted by anonymous - 10 years ago
1

Any telephone number with at least 6 digits

PCRE (PHP <7.3)
Telephone number can come with extra characters to denote country, region, etc
Submitted by https://co.linkedin.com/in/andresfelipecardona - 10 years ago
1

URL domain test

ECMAScript (JavaScript)
tests to find if ("google.com") is the domain part of the URL
Submitted by anonymous - 9 years ago
-3

Matches percentage with any number of digits

Python
Only captures value for converting percentage to decimal. Returns empty if percentage but no value. no match = no percentage found
Submitted by sharkey - 9 years ago
1

Mac-address filtering

PCRE (PHP <7.3)
Trying to capture a mac-address structure
Submitted by R. van den Hoek - 9 years ago
2

Match <?xml...?>

PCRE (PHP <7.3)
How to match the first line of a xml document
Submitted by anonymous - 9 years ago
1

First 3 words in sentence

PCRE (PHP <7.3)
no description available
Submitted by hjgabrielsen - 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
4

match brackets outside quotes

ECMAScript (JavaScript)
no description available
Submitted by Jerry - 9 years ago
5

Quartz Cron Validation

PCRE (PHP <7.3)
http://stackoverflow.com/questions/2362985/verifying-a-cron-expression-is-valid-in-java
Submitted by anonymous - 9 years ago
4

Find Lat/Long Coordinate pair regex

ECMAScript (JavaScript)
no description available
Submitted by Mike - 9 years ago
0

Get any word before specific string

Python
no description available
Submitted by anonymous - 9 years ago
5

Variable name of code

PCRE (PHP <7.3)
To get a variable name from a source code: The variable name is before the '=' (equal sign) This is the way to detect. Problem: Only 1 variable can get from 1 line. Unfortunately, this can get variable between after "//" and before ";" too. I made this for fake script debugger. Just get variable f...
Submitted by Setsuna - 9 years ago
4

Currency Formater Accept , & .

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
5

Codice fiscale italiano

PCRE (PHP <7.3)
Oltre a supportare le omocodie controlla in modo restrittivo il carattere relativo al mese di nascita
Submitted by Aldo Medri - 9 years ago
0

CSS url()

PCRE (PHP <7.3)
Matches a valid CSS3 url() property
Submitted by sciyoshi - 9 years ago
1

email regex

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

7

Regular Expression
ECMAScript (JavaScript)

/
if\s*\((.+?)\)\s*{(.*?)}\s*?(else\s*?if\s*?\((.+?)\)\s*?{.*?})?\s*?(else\s*?{(.*?)})?
/
Open regex in editor

Description

matches full if condition statment eg: if(condition){ ... } else if(condition){ ... }else{ ... }

Submitted by Ivan Jakesevic - 10 years ago