Regular Expressions 101

Order By

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

Community Patterns

-2

match only words consisting of 3 repeated letters, e.g. lllkkk

Python
no description available
Submitted by kali - 10 years ago
-2

python bracketed text

Python
why doesn't this match text in brackets?
Submitted by anonymous - 10 years ago
-2

Match website - http:|https://i.imgur.com

ECMAScript (JavaScript)
no description available
Submitted by ghrifter - 10 years ago
-2

Match Content-Range response header

ECMAScript (JavaScript)
Matches the Content-Range response header format -[end]/[total|*]
Submitted by mdezem - 10 years ago
-2

Host and domains

Python
no description available
Submitted by anonymous - 10 years ago
-2

Validate credit card numbers

PCRE (PHP <7.3)
Visa, MasterCard, American Express, Diners Club, Discover, JCB
Submitted by www.regular-expressions.info/creditcard.html - 10 years ago
-2

IPv4

Python
allows for all legal IPv4 addresses
Submitted by anonymous - 10 years ago
-2

Match words in a string

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-2

finds the instance of two or more repeating letters

Python
no description available
Submitted by cp0153 - 9 years ago
-2

Match the first and last char of a word

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

domain name

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
-2

lowercase words followed by uppercase words. Be able to separate words

PCRE (PHP <7.3)
Tinta del paísSuelo: Arena 100%Altitud media: 900mEdad del viñedo: PrefiloxeraRendimiento: 1800 Kg/haLugar: Ribera del Duero, FuentelcéspedBodega:Bodegas y Viñedos Juan Manuel Burgos
Submitted by Eduard eduard.fabra@uvinum.com - 9 years ago
-2

6 Digit ID

PCRE (PHP <7.3)
Very basic. My first proper REGEX. 6 Digit ID starting with e. Must be lowercase. must start with an e (can change to another letter)
Submitted by BejasC# - 9 years ago
-2

12 Hour Time Pattern

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

SQL Injection

ECMAScript (JavaScript)
SQL injection regEx pattern
Submitted by Darshan Patil - 9 years ago
-2

adsf

Python
adfadfad
Submitted by anonymous - 9 years ago
0

Verify and match e-mail address

PCRE (PHP <7.3)
no description available
Submitted by Josh K - 11 years ago
0

Simple

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
0

Dotted-decimal IPv4 address

PCRE (PHP <7.3)
Validates an IPv4 address for use as a URI host as defined in RFC-3986.
Submitted by ezzatron - 11 years ago
0

Grab text in double square brackets (excluding triple)

PCRE (PHP <7.3)
no description available
Submitted by Petah - 11 years ago
1...332333334335336...902

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
^\.?\d{1,5}(?:\.\d{1,5})*$
/
gm
Open regex in editor

Description

test if a string represents a valid oid

Submitted by anonymous - 5 years ago