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

/
/
gs

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 = "(?s)\/\*(?!(\<\!\[CDATA\[)|(\]\]>))(.*?)\*\/" Local $sString = "<script type="text/javascript" src="//<?php echo SITE_CDN_STATIC_DOMAIN; ?>/src/js/lib.js?<?php echo CACHEBUST; ?>"></script>" & @CRLF & _ "<?php /*<script type="text/javascript" src="//<?php echo SITE_CDN_STATIC_DOMAIN; ?>/src/js/prod.js.php?<?php echo CACHEBUST; ?>"></script> */ ?>" & @CRLF & _ "<script type="text/javascript">" & @CRLF & _ "/*<![CDATA[*/ " & @CRLF & _ "updateBodyClassContext(); " & @CRLF & _ "cookieSetContext();" & @CRLF & _ "" & @CRLF & _ "/* Run code on page load */" & @CRLF & _ "addEvent(window, 'load', function() " & @CRLF & _ "{" & @CRLF & _ " /**" & @CRLF & _ " *" & @CRLF & _ " * Example comment inside of " & @CRLF & _ " * CDATA" & @CRLF & _ " *" & @CRLF & _ " */" & @CRLF & _ " document.getElementById('emailm').focus();" & @CRLF & _ " if (location.href.indexOf('prereg=2') > -1) document.getElementById('prereg_email').focus();" & @CRLF & _ " addEvent(document.getElementById('prereg_form'), 'submit', function(e)" & @CRLF & _ " {" & @CRLF & _ " var e = (e) ? e : window.event, " & @CRLF & _ " regex_email = /^([a-z0-9])(([-a-z0-9._])*([a-z0-9_-]))*@([a-z0-9])(([a-z0-9-])*([a-z0-9]))+(\.([a-z0-9])([-a-z0-9-])?([a-z0-9])+)+$/i;" & @CRLF & _ " if (this.prereg_email.value == '' " & @CRLF & _ " || !regex_email.test(this.prereg_email.value))" & @CRLF & _ " {" & @CRLF & _ " this.prereg_email.focus();" & @CRLF & _ " stopEvent(e);" & @CRLF & _ " }" & @CRLF & _ " });" & @CRLF & _ "}); " & @CRLF & _ "/*]]>*/" & @CRLF & _ "</script>" & @CRLF & _ "/* another comment for good measure */" & @CRLF & _ "/*and another" & @CRLF & _ "*/" & @CRLF & _ "/*another*/" 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