Regular Expressions 101

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Community Patterns

2

US and Canada Regex

ECMAScript (JavaScript)
A zipcode regex for validation of both US and Canada
Submitted by Kyle M. - 11 years ago
2

Out of office

ECMAScript (JavaScript)
This is why
Submitted by anonymous - 10 years ago
1

Date-Validation with mm/dd/yyyy or mmddyyyy or mm-dd-yyyy or m/d/yyyy

ECMAScript (JavaScript)
Date Validation with leap year handling, & it takes care of date validation in the format like :mm/dd/yyyy or mmddyyyy or mm-dd-yyyy or m/d/yyyy or m-d-yyyy. 12/01/1986 02/29/2016 02/29/2015 13/31/1986...
Submitted by Ashish - 9 years ago
2

Error in Refex

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 11 years ago
2

US Postal Code

ECMAScript (JavaScript)
refactor
Submitted by jay johnson - 11 years ago
2

Javascript: howto get rid of resulting ""

ECMAScript (JavaScript)
Hey folks, I try to do smth like this: var s = 'this is a "" && "string constant" and this "is another" one', result = s.match(new RegExp('"{1}(.*?)"{1}', 'g')); console.log(result);...
Submitted by anonymous - 10 years ago
2

Match number in html

ECMAScript (JavaScript)
Prevent matching in markup attributes
Submitted by Mathieu Civel - 10 years ago
2

Match 4chan thread URL

ECMAScript (JavaScript)
Matches a 4chan thread URL, see the examples
Submitted by Zeke Sonxx <github.com/zekesonxx> - 10 years ago
2

e164 format

ECMAScript (JavaScript)
e164 format
Submitted by anonymous - 10 years ago
2

html font to bbcode

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
2

Get video parameters from many video services at once

ECMAScript (JavaScript)
supported youtube, vimeo, face liveleak, break, ebaums, facebook support url and iframes
Submitted by Misthero - 10 years ago
2

Brazillian Phone Number Format (Formato de Num. de Telefone no Brasil)

ECMAScript (JavaScript)
no description available
Submitted by Castrolol - 10 years ago
2

Match Characters outside list

ECMAScript (JavaScript)
no description available
Submitted by vikas - 10 years ago
2

standard 16 columns hexdump

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

Vimeo Video ID

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

extract twitter username from url

ECMAScript (JavaScript)
Adopted one of answers from: http://stackoverflow.com/questions/5948051/regex-extract-twitterusername-from-url
Submitted by anonymous - 9 years ago
2

CSS URL parser tilde only

ECMAScript (JavaScript)
Find any url('~filename.jpg'). URL must contain tilde
Submitted by @adjavaherian - 9 years ago
2

Unicode username

ECMAScript (JavaScript)
Unicode user name check with som allowed non-alhanum characters
Submitted by Martin Bucko - 9 years ago
2

Portuguese phone numbers

ECMAScript (JavaScript)
Matches Portuguese phone numbers.
Submitted by github.com/luis140219 - 9 years ago
2

Date between 1950 and 2050

ECMAScript (JavaScript)
Date in format MM-dd-yyyy
Submitted by Daniel Quijada - 9 years ago
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Community Library Entry

0

Regular Expression
Python

r"
(```|`)(python)?\s*?\n?(from \S+ )?import \S+(\n.*?;)*\n((.*return \S+```)|(`return \S+`))
"
gm
Open regex in editor

Description

A regex that matches comments that adhere to the rules of r/ProgrammerHumor

Submitted by anonymous - a year ago