Regular Expressions 101

Order By

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

Community Patterns

0

IPv6 validation

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

IPv4 validation

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Find a word (Case-Insensitive)

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 5 years ago
0

Date Validation - Including Leap Year (mm/dd/yyyy)

ECMAScript (JavaScript)
This regex validates all dates between 01/01/1900 and 12/31/2099, including leap-year validation. It follows a mm/dd/yyyy format, and enforces two-digit month/year formats.
Submitted by anonymous - 5 years ago
0

Date Validation - Including Leap Year (m/d/yyyy)

PCRE (PHP <7.3)
This regex validates all dates between 1/1/1900 and 12/31/2099, including leap-year dates. It allows either one or two digit month/date values.
Submitted by anonymous - 5 years ago
0

First Line

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Cusip

Python
no description available
Submitted by anonymous - 5 years ago
0

Sedol

Python
no description available
Submitted by anonymous - 5 years ago
0

Isin

Python
no description available
Submitted by anonymous - 5 years ago
0

Regex Password pattern

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

regex for log format for logging for sorting xml's

Python
no description available
Submitted by anonymous - 5 years ago
0

array redex recursion

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

String after $

ECMAScript (JavaScript)
Selects the string after the $ sign
Submitted by anonymous - 5 years ago (Last modified 3 years ago)
0

exclude list of langs

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

exclude list of langs in groups

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Abbvie - Get User Extension and UserName

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

SpaceIdentifierCode

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

nametovalue

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
0

Get document.cookie value by name

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 5 years ago
0

GA Event Category Regex

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 5 years ago
1...264265266267268...902

Community Library Entry

0

Regular Expression
Python

r"
^((?:[0-9]{1,3}\.){3}[0-9]{1,3})\n((?:.*\s)*)(?=\n)
"
Open regex in editor

Description

Match an IPv4 address and its description delimited by a 'newline' paragraph

Submitted by edoz90 - 8 years ago