Regular Expressions 101

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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
Processing...

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 = "<img *src= *"(?<img>[^"]*)"" Local $sString = "<!DOCTYPE html>" & @CRLF & _ "<html>" & @CRLF & _ "<head>" & @CRLF & _ " <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />" & @CRLF & _ " <title>Dimitri Smeets</title>" & @CRLF & _ " <link rel="stylesheet" href="css/style.css" type="text/css" charset="utf-8" /> " & @CRLF & _ "</head>" & @CRLF & _ "" & @CRLF & _ "<body>" & @CRLF & _ " <span id="background"></span>" & @CRLF & _ " <div id="page">" & @CRLF & _ " <div id="sidebar">" & @CRLF & _ " <a href="index.html">The selected works of Dimitri Smeets</a>" & @CRLF & _ " </p> " & @CRLF & _ " " & @CRLF & _ " <!-- /#logo -->" & @CRLF & _ " <ul id="navigation">" & @CRLF & _ "" & @CRLF & _ " <li><a href="about.html">About</a></li>" & @CRLF & _ " <li><a href="games.html">games</a></li>" & @CRLF & _ " <li><a href="contact.html">Contact </a></li>" & @CRLF & _ " <li></li>" & @CRLF & _ " </ul> <!-- /#navigation -->" & @CRLF & _ " <ul id="connect">" & @CRLF & _ " <li><a href="https://nl-nl.facebook.com/d3ullist" target="_blank" class="facebook"></a></li>" & @CRLF & _ " <li><a href="http://twitter.com/D3ullist" target="_blank" class="twitter"></a></li>" & @CRLF & _ " <li></li>" & @CRLF & _ " </ul> <!-- /#connect -->" & @CRLF & _ " <div class="footer"></div> <!-- /.footer -->" & @CRLF & _ " </div> <!-- /#sidebar -->" & @CRLF & _ " " & @CRLF & _ " <div id="contents">" & @CRLF & _ " <span class="header"></span>" & @CRLF & _ " <h1 align="center">The portfolio site of Dimitri Smeets </h1>" & @CRLF & _ " <p><center>" & @CRLF & _ " <p><img src="images/IMG-20131110-WA0005.jpg" width="206" height="241"></p>" & @CRLF & _ " <p>I am a student at the Grafish lyceum rotterdam where I study Game Development.</p>" & @CRLF & _ " <p>I have experience with several program languages such as:</p>" & @CRLF & _ " <p>C#, javascript, c++ </p>" & @CRLF & _ " <p>And am still developing my skills in these languages</p>" & @CRLF & _ " <p>&nbsp;</p>" & @CRLF & _ " </center></p>" & @CRLF & _ " <p>&nbsp;</p>" & @CRLF & _ " <p>&nbsp; </p>" & @CRLF & _ " </div> " & @CRLF & _ " <!-- /#contents -->" & @CRLF & _ " </div> <!-- /#page -->" & @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