Regular Expressions 101

Order By

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

Community Patterns

0

Google-like search query pattern matching

ECMAScript (JavaScript)
To identify quoted strings, single terms as well as subtracting those types. Based on: http://stackoverflow.com/questions/1883188/google-like-search-query-tokenization-string-splitting
Submitted by Michael La Voie - 9 years ago
0

Xml Start Cleaner

ECMAScript (JavaScript)
Selects Xml version and Encoding and whitespaces
Submitted by Edward Coughlan - 9 years ago
0

Password Any Character len: 8-63

ECMAScript (JavaScript)
Test for Password using any character. Length of password can be from 8 - 63 characters
Submitted by Jerry Orta - 9 years ago
0

phone number

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
0

WEB URL

ECMAScript (JavaScript)
only WEB URL ex:http://aaa.com.tw https://aaa.com aaa.com aaa.com.tw
Submitted by anonymous - 9 years ago
0

get params from json

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
0

HTTP / HTTPS link check

ECMAScript (JavaScript)
Check if string contains a valid HTTP / HTTPS link
Submitted by Dimorphic - 9 years ago
0

Email ID-Full Validation

ECMAScript (JavaScript)
This Regx has full validation of a standard email ID
Submitted by Eric Abraham - 9 years ago
0

Get 'value' attribute in 'a' html tag

ECMAScript (JavaScript)
Regex used to avoid text-angular/angular $sanitize temporarily
Submitted by Derek Severson - 9 years ago
0

first word until whitespace/linebreak

ECMAScript (JavaScript)
no description available
Submitted by jpeldes - 9 years ago
0

JSON Double Quoting

ECMAScript (JavaScript)
Insert double quotes between matches around colons. You need to wrap substition.substr(1)+'"' with parenthesis afterwards. (substr is needed to remove hanging doublequote at the start of the string) ex) var json = '{ '+json_ish.replace(regex,subs).substr(1)+'" }'; ...
Submitted by anonymous - 9 years ago
0

Outside attr keyword

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
0

html img tag src

ECMAScript (JavaScript)
get src url from img tag in html
Submitted by anonymous - 9 years ago
0

Date Validation

ECMAScript (JavaScript)
This pattern validates all the possible dates for all months in YYYY-MM-DD format. Due to limitations of regex it can not validate the dates of february for leap year. It will allow the date 29 for leap year too. Make sure to validate that yourself.
Submitted by Ashutosh Agrawal - 9 years ago
0

Base64 Test

ECMAScript (JavaScript)
Tests a string to see if it fits the Base64 format.
Submitted by anonymous - 9 years ago
0

space

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 9 years ago
0

ipv4 address

ECMAScript (JavaScript)
no description available
Submitted by Xiaohui Xu - 9 years ago
0

Split by character outside quotes

ECMAScript (JavaScript)
Splits text by a character which is not inside the quotes. Example: foo:"01":"02:03":"04:05:06":"07:08:09:10" ^^^ ^^^^ ^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^
Submitted by .iqqmuT - 9 years ago
0

isDate

ECMAScript (JavaScript)
Validador de Data e Hora
Submitted by Rafael Fischer - 9 years ago
0

isDateTime

ECMAScript (JavaScript)
Validação: Data d/m/yy d/mm/yyyy dd/m/yyyy dd/mm/yy...
Submitted by Rafael Fischer - 9 years ago
1...678910...179

Community Library Entry

2

Regular Expression
.NET 7.0 (C#)

@"
^(?>(?'protocol'[a-zA-Z]+)://)?(?'domain'[a-zA-Z0-9.\-_]*)?(?>:(?'port'\d{1,5}))?/(?'path'[a-zA-Z0-9_\-%]+)(?:(?>\?(?'query'[a-zA-Z0-9_\-=&%]+))()|(?>#(?'anchor'[a-zA-Z0-9_\-%]+))()){0,2}$
"
gm
Open regex in editor

Description

Matches protocol, domain, port, path, query and anchor as named capturing groups.

Submitted by Jonathan - a year ago (Last modified a year ago)