Regular Expressions 101

Save & Share

  • Regex Version: ver. 2
  • Update Regex
    ctrl+⇧+s
  • Save new Regex
    ctrl+s
  • Add to Community Library

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

Sponsors
There are currently no sponsors. Become a sponsor today!
An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression

/
/
gmi

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?mi){\s*file\s*:\s*["']\s*(http[^"']+\.mp4)" Local $sString = "<!DOCTYPE html>" & @CRLF & _ "<html>" & @CRLF & _ "<head>" & @CRLF & _ "<meta charset="UTF-8" />" & @CRLF & _ "<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />" & @CRLF & _ "<link href='https://fonts.googleapis.com/css?family=Hanuman' rel='stylesheet' type='text/css'>" & @CRLF & _ "<link href="https://fonts.googleapis.com/css?family=Scada" rel="stylesheet">" & @CRLF & _ "<link href="jwplayer-7.12.8/skins/prime.min2.css" rel="stylesheet" type="text/css" />" & @CRLF & _ "<script type="text/javascript" src="jwplayer-7.12.8/jwplayer.js"></script>" & @CRLF & _ "<script type="text/javascript">jwplayer.key="I9HOJrL1NmqruQ60as34wt34/23422dsdrwer==";</script>" & @CRLF & _ "</head>" & @CRLF & _ "<body>" & @CRLF & _ "<div id="picasa" class="picasa"></div>" & @CRLF & _ "<script type="text/javascript">" & @CRLF & _ " var playerInstance = jwplayer("picasa");" & @CRLF & _ " playerInstance.setup({" & @CRLF & _ " id:'picasa'," & @CRLF & _ " controls: true," & @CRLF & _ " displaytitle: true," & @CRLF & _ "" & @CRLF & _ " flashplayer: "//ssl.p.jwpcdn.com/player/v/7.12.5/jwplayer.flash.swf"," & @CRLF & _ " width: "100%"," & @CRLF & _ " height: "100%"," & @CRLF & _ " aspectratio: "16:9"," & @CRLF & _ " fullscreen: "true"," & @CRLF & _ " provider: 'http'," & @CRLF & _ " autostart: false," & @CRLF & _ " image:'http://localhost/viral/viralvideo.jpg'," & @CRLF & _ " sources: [{file:"http://localhost/srt/43534234/viral022018SD.MP4",label:"SD",type: "video/mp4"},{file:"http://localhost/srt/43534234/viral022018HD.MP4",label:"HD",type: "video/mp4",default: true}]," & @CRLF & _ " sharing:{" & @CRLF & _ " link: ""," & @CRLF & _ " code: ""," & @CRLF & _ " heading: "Share"," & @CRLF & _ " sites: ["facebook","twitter","tumblr","googleplus","reddit","linkedin","interest","email"]," & @CRLF & _ " }," & @CRLF & _ "sharing:{" & @CRLF & _ " link: ""," & @CRLF & _ " code: ""," & @CRLF & _ " heading: "Share"," & @CRLF & _ " sites: ["facebook","twitter","tumblr","googleplus","reddit","linkedin","interest","email"]," & @CRLF & _ " }," & @CRLF & _ "tracks: [{" & @CRLF & _ " file: 'http://localhost/srt/viralvideo022018.srt'," & @CRLF & _ " label: 'English'," & @CRLF & _ " kind: 'captions'," & @CRLF & _ " "default":true" & @CRLF & _ "}]," & @CRLF & _ "" & @CRLF & _ " captions: {" & @CRLF & _ " color: '#FFEB3B'," & @CRLF & _ " fontSize: 14," & @CRLF & _ " fontFamily: 'Scada, Hanuman, sans-serif, Verdana, cursive'," & @CRLF & _ " fontOpacity: 100," & @CRLF & _ " backgroundOpacity: 0," & @CRLF & _ "backgroundColor: '#000000'," & @CRLF & _ " edgeStyle: 'raised'," & @CRLF & _ " windowColor: '#000000'," & @CRLF & _ " windowOpacity: 0" & @CRLF & _ " }," & @CRLF & _ "skin: {" & @CRLF & _ " name: 'prime'," & @CRLF & _ " }," & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ " });" & @CRLF & _ "" & @CRLF & _ "</script>" & @CRLF & _ "</body>" & @CRLF & _ "</html>" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH) Local $aFullArray[0] For $i = 0 To UBound($aArray) -1 _ArrayConcatenate($aFullArray, $aArray[$i]) Next $aArray = $aFullArray ; Present the entire match result _ArrayDisplay($aArray, "Result")

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm