Regular Expressions 101

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Community Patterns

-2

Match words in a string

ECMAScript (JavaScript)
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

domain name

ECMAScript (JavaScript)
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
-1

for checking code number 1111/111111111

Python
no description available
Submitted by dejv - 10 years ago
-1

sfafagergfwefe323

Python
no description available
Submitted by anonymous - 10 years ago
-1

Alternative With Capture Groups

Python
Capture alternative items matching end of lines country codes
Submitted by Branden - 10 years ago
-1

date format for year 2000 above

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

bibtex entries

Python
match bibtex entries
Submitted by Sixue Qin - 9 years ago
-1

Java single line comment matcher

Python
This regex matches java line end comments started with "//" and ignores such ones that are within String literals. (NO SUFFICIENT TESTING WAS DONE TO GUARANTEE 100% SAFETY)
Submitted by Janis Schöck - 9 years ago
-1

word_to_match

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

IP address

Python
Looks for string formated like an IP address.
Submitted by anonymous - 9 years ago
-1

xml

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

Integer or decimal number

Python
no description available
Submitted by Rick de L - 9 years ago
-3

Regular Expression For Phone Number Validation

ECMAScript (JavaScript)
no description available
Submitted by Brian Jemilo II - 10 years ago
-3

s

ECMAScript (JavaScript)
s
Submitted by anonymous - 10 years ago
-3

1111

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
-3

Number

ECMAScript (JavaScript)
Gets all numbers in a string. This includes positive and negative numbers aswell as integers and floats. By: http://www.benlorantfy.com/
Submitted by Ben - 10 years ago
-3

Match substitutions

Python
Match regular expressions substitutions, I personally use this to perform my validate if it is a substitution, then call re.sub() on it.
Submitted by Zarthus - 10 years ago
1...176177178179180...282

IP Address (with 0s)

7

Regular Expression
ECMAScript (JavaScript)

/
^((1?[\d]?[\d]|2([0-4][\d]|5[0-5]))[.]){3}(1?[\d]?[\d]|2([0-4][\d]|5[0-5]))$
/
Open regex in editor

Description

Matches all valid IP addresses from 0.0.0.0 to 255.255.255.255

Submitted by Ryan Plummer - 9 years ago