Regular Expressions 101

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Community Patterns

1

IPv4 extraction

Python
no description available
Submitted by Jacob - 11 years ago
2

@import url(comments.css)

PCRE (PHP <7.3)
no description available
Submitted by Mitus M. - 11 years ago
1

Check fr date format

PCRE (PHP <7.3)
no description available
Submitted by Kerosene - 11 years ago
1

myregex

PCRE (PHP <7.3)
no description available
Submitted by shakti - 11 years ago
1

select stuff of </a> [beta]

PCRE (PHP <7.3)
no description available
Submitted by Kerosene - 11 years ago
1

get all title value && all the text in <a/>

PCRE (PHP <7.3)
no description available
Submitted by Kerosene - 11 years ago
1

dsf

ECMAScript (JavaScript)
no description available
Submitted by fdsfdsfdsf - 11 years ago
1

css all comments

PCRE (PHP <7.3)
no description available
Submitted by Mitus M. - 11 years ago
1

gk

PCRE (PHP <7.3)
wertyuikjh
Submitted by hjk - 11 years ago
0

In a pipe separed list of values check for a concrete one

PCRE (PHP <7.3)
no description available
Submitted by furbypaloma - 11 years ago
2

Replace \n by <br />

ECMAScript (JavaScript)
Replace non-ending string \n by the HTML tag
Submitted by anonymous - 11 years ago
0

background:url

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

background:url

PCRE (PHP <7.3)
no description available
Submitted by Mitus M. - 11 years ago
1

background:url

PCRE (PHP <7.3)
no description available
Submitted by Mitus M. - 11 years ago
35

http://

PCRE (PHP <7.3)
no description available
Submitted by Mitus M. - 11 years ago
1

javascript variable

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
-3

Date and Time

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 11 years ago
1

Grab double or single quoted text, escape aware

PCRE (PHP <7.3)
^$ are only added for the test cases, handles escapes and the closing \\" situation
Submitted by robin - 11 years ago
1

Inside single quotes, escape aware

PCRE (PHP <7.3)
Allows the single quote to be escaped, handles the \\' situation
Submitted by Robin - 11 years ago
0

waypoints

Python
Text fields describing a name and positions
Submitted by bruno.piguet@meteo.fr - 11 years ago
1...891892893894895...901

Community Library Entry

0

Regular Expression
.NET 7.0 (C#)

@"
^(?=(?<http>(?:https?:\/\/){1}(?:www\.)?)?)(?(?=\k<http>?(?<ipaddr>(?:\d{1,3}\.){3}\d{1,3}(?:\:\d{1,5})?))\k<http>?\k<ipaddr>(?:\.[\w]{1,9})?|\k<http>(?:[\w]\.?){1,255}\.[\w]{1,9})(?:\/.*)?$
"
gm
Open regex in editor

Description

Can be used to validate on URL's.

Submitted by anonymous - a year ago