Regular Expressions 101

Order By

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

Community Patterns

9

Letters, numbers and blank space

PCRE (PHP <7.3)
The following regular expression matches only letter a-z A-Z numbers 0-9 and a blank space for a given string.
Submitted by Jordan Raychev - 9 years ago
0

Credit Card Validator

PCRE (PHP <7.3)
For Visa, Mastercard, Discover, and AMEX
Submitted by David Avellan - 9 years ago
1

Valid Date or N/A

PCRE (PHP <7.3)
Validates date or allows "n/a" input and variations
Submitted by David Avellan - 9 years ago
1

Codice Fiscale (Tax Code)

ECMAScript (JavaScript)
Verify your tax code (Codice Fiscale in Italian)
Submitted by Gianluca Mancusi - 9 years ago
1

po regex

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

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

Common Taiwanese slang regex

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

Chinese slang words regex

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

Split SSL certificates

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

Advent of Code Day 6

PCRE (PHP <7.3)
Parses the problem input for Advent of Code Day 6 into useful capture groups. http://adventofcode.com/day/6
Submitted by Andrew Hoffmann - 9 years ago
1

url regex

PCRE (PHP <7.3)
no description available
Submitted by design1online.com, LLC - 9 years ago
2

Float Representation

PCRE (PHP <7.3)
no description available
Submitted by S-YOU - 9 years ago
0

Float Representations

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

URL Regex

PCRE (PHP <7.3)
Modified version of the spoon library
Submitted by anonymous - 9 years ago
1

url regex

PCRE (PHP <7.3)
spoon library
Submitted by anonymous - 9 years ago
1

Match pointless spaces in space separated list

ECMAScript (JavaScript)
'test' - no match 'test test' - no match ' test' - match (space at the start) 'test ' - match (space at the end) 'test test' - match (single space in the middle)
Submitted by J. Harry B. - 9 years ago
1

regexClassDefinitionJava

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

email check

ECMAScript (JavaScript)
check emailnot match double simbol login..name@domain.com
Submitted by User - 9 years ago
5

email (tikhonov)

ECMAScript (JavaScript)
CheckEmail Login start or end simbols [._- ] .login@domain.com - fail -login@domain.com - fail _login@domain.com - fail login.@domain.com - fail...
Submitted by Tikhonov Alexander <123546.90@mail.ru> - 9 years ago (Last modified a year ago)
1

Sql Server Version Number

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 9 years ago
1...756757758759760...902

Community Library Entry

1

Regular Expression
Python

r"
[a-zA-Z]+
"
g
Open regex in editor

Description

no description available

Submitted by anonymous - 8 years ago