Regular Expressions 101

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Community Patterns

1

what3words

PCRE (PHP <7.3)
This pattern check three words with a dot separator betwwern words. It use unicode; It is not yest compatible with javascript
Submitted by tsamaya - 9 years ago
1

Simple email splitter

PCRE (PHP <7.3)
Split the email and get the user and domain.
Submitted by Matías Pizarro González - 9 years ago
1

Bar Number

ECMAScript (JavaScript)
Length of 5 or 7. if 7, it should start with 20.
Submitted by Chris Roe - 9 years ago
1

Product model extractor

Python
Extracts a model ID from a product title
Submitted by Aleksandr Glyzov <aleksandr.glyzov@yandex.ru> - 9 years ago
1

Product model ID extractor

Python
Extracts a model ID from a product title. Like this: "Автомагнитола ALPINE CDE-100EUB/4S белая" -> "CDE-100EUB" Over 80 tests.
Submitted by anonymous - 9 years ago
1

require, require_once, include, include_once search

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

tag searching

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

ServiceNow - Retrieve text from an Email

ECMAScript (JavaScript)
retrieve multiple lines from an email body.
Submitted by Evan Williams - 9 years ago
1

Single lone digits

PCRE (PHP <7.3)
Find single digits that are not part of an integer. For example, "27" should not match, but "27.1" will match the "1". "27.11" won't match.
Submitted by Conan Dombroski - 9 years ago
1

Po box addresses

ECMAScript (JavaScript)
exludes all address with po box
Submitted by paulo.castro48@gmail.com - 9 years ago
1

Extract jsfiddle links

PCRE (PHP <7.3)
Extract jsfiddle links
Submitted by Shrinivas Shukla - 9 years ago
1

sql: insert into

PCRE (PHP <7.3)
insert into table ( a, b, c ) values ( " insert into values (1,2,3)",1,2.3,"a,b" ); insert into table (ee,bb,cc) values (aa,234,"asj",2.3);
Submitted by suat erenler - sua.gen.tr - 9 years ago
1

If a line seems valid phone number, change to common format

PCRE (PHP <7.3)
Let's say a phone number is valid in case it has 11 digits (or 13 in case we use 00 instead of + ). Take those lines to common format. original idea was to remove all non-digit characters from those lines with simple match like but combined with look-ahead it just did not work, had to go through ea...
Submitted by zolo - 9 years ago
1

RGBA color values and opacity matcher

ECMAScript (JavaScript)
Regex to match R-G-B and Opacity with/without "," and even RGBA text It will match rgba(x,x,x,x.x) rgba (x x X x.x) x,x,x,x.x x x x x.x...
Submitted by Maulik Soni - 9 years ago
1

Lookahead phone test with formatting

PCRE (PHP <7.3)
Let's say a phone number is valid in case it has 11 digits only (13 in case of using 00 instead of +). Separators could be anywhere. Take the valid numbers and bring to common format. Original idea was deleting all non-digits but using look-ahead made impossible to use + for remove non-digits, it ne...
Submitted by zolo - 9 years ago
1

#tag all languages

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

URL matching

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

Wzorzec opisujący czas w postaci 000 np 300 np 1256

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

check format to HH:MM

ECMAScript (JavaScript)
check if the format is HH:MM (00:00 is OK, 0:00 is not)
Submitted by anonymous - 9 years ago
1

rstp

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
1...9293949596...900

Community Library Entry

1

Regular Expression
PCRE (PHP <7.3)

/
^(?'User'[_a-z0-9-]+(\.[_a-z0-9-]+)*)@(?'Domain'[a-z0-9-]+(\.[a-z0-9-]+)*\.[a-z]{2,4})$
/
i
Open regex in editor

Description

Split the email and get the user and domain.

Submitted by Matías Pizarro González - 9 years ago