Regex Tester

Dan's Tools
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The Wowhead Client is a little application we use to keep our database up to date, and to provide you with some nifty extra functionality on the website!  

It serves 2 main purposes:  

  1. It maintains a WoW addon called the Wowhead Looter, which collects data as you play the game!  
  2. It uploads the collected data to Wowhead in order to keep the database up-to-date!  

You can also use it to keep track of your completed quests, recipes, mounts, companion pets, and titles! 

So, what are you waiting for? Download the client and get started. 

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Top Regular Expressions

Match IDs
Match string not containing string
match a wide range of international phone number
Namespace Prefix
veeam Success
Checks wheter the given number starts with a given number
Url
date substitution
Free trial
clean
Number before file extension
Match elements of a url
Allscripts lab results
Téléphone
check val
Validate datetime
FuncDefRegex1
ankit
getPennys
search params

Cheat Sheet

Character classes
. any character except newline
\w \d \s word, digit, whitespace
\W \D \S not word, digit, whitespace
[abc] any of a, b, or c
[^abc] not a, b, or c
[a-g] character between a & g
Anchors
^abc$ start / end of the string
\b word boundary
Escaped characters
\. \* \\ escaped special characters
\t \n \r tab, linefeed, carriage return
\u00A9 unicode escaped ©
Groups & Lookaround
(abc) capture group
\1 backreference to group #1
(?:abc) non-capturing group
(?=abc) positive lookahead
(?!abc) negative lookahead
Quantifiers & Alternation
a* a+ a? 0 or more, 1 or more, 0 or 1
a{5} a{2,} exactly five, two or more
a{1,3} between one & three
a+? a{2,}? match as few as possible
ab|cd match ab or cd