Regular Expressions 101

Order By

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

Community Patterns

-2

UK (Europe) DateTime

ECMAScript (JavaScript)
Validates input to match UK Date Time standard
Submitted by Bascoder - 9 years ago
-2

IPv4

Python
allows for all legal IPv4 addresses
Submitted by anonymous - 9 years ago
-2

Twitter Date format

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

Match words in a string

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

twitter ids

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

Date format regex for ddMMMyyyy

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

twitter usernames

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

finds the instance of two or more repeating letters

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

checklists item

Python
checklists item
Submitted by Tobias Hochgürtel - 9 years ago
-2

filter

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

Word ending with colon

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

find mp3 file

ECMAScript (JavaScript)
find mp3 file embeded in a link
Submitted by ogerly - 9 years ago
-2

Date Validation

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

domain name

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

Validation of code ATECO Italian

Python
/* -- This is a RegEx for validating one Italian ATECO code. -- For original specification visit: http://www.istat.it/it/archivio/17888 -- Valid: */ 1...
Submitted by Marco Tonchella with the help of this Comunity that thanks a lot. - 9 years ago
-2

SQL Comment

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

Prosed OFX DateTimeType pattern for v.2.1.1+

Python
no description available
Submitted by Oleg Sakharov karpuscul@gmail.com - 9 years ago
-2

SQL Injection

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

search all special characters

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

Name/Surname

ECMAScript (JavaScript)
Regex to constrain a text to have at least 2 strings. Compatible with 2nd-3rd-Nth names/surnames.
Submitted by BigL - 9 years ago
12345...419

Community Library Entry

-2

Regular Expression
Python

r"
(1.*(?<!foo|bar|baz)2)
"
Open regex in editor

Description

no description available

Submitted by anonymous - 9 years ago