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

/
/
gi

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 = "(?i)<script type='text\/javascript'(?:(?!<\/?script).\n)+?(\n*.*?)*?(googletag)(\n*.*?)*(?:(?!<\/?script>))*?<\/script>" Local $sString = "<div>" & @CRLF & _ " <p>foo</p>" & @CRLF & _ " <script type='text/javascript'>another script goes here</script>" & @CRLF & _ "</div>" & @CRLF & _ "" & @CRLF & _ "<script type='text/javascript'>" & @CRLF & _ "var googletag = googletag || {};" & @CRLF & _ "googletag.cmd = googletag.cmd || [];" & @CRLF & _ "(function() {" & @CRLF & _ "var gads = document.createElement('script');" & @CRLF & _ "gads.async = true;" & @CRLF & _ "gads.type = 'text/javascript';" & @CRLF & _ "var useSSL = 'https:' == document.location.protocol;" & @CRLF & _ "gads.src = (useSSL ? 'https:' : 'http:') +" & @CRLF & _ "'//www.googletagservices.com/tag/js/gpt.js';" & @CRLF & _ "var node = document.getElementsByTagName('script')[0];" & @CRLF & _ "node.parentNode.insertBefore(gads, node);" & @CRLF & _ "})();" & @CRLF & _ "</script>" & @CRLF & _ "" & @CRLF & _ "<div>" & @CRLF & _ " <p>bar</p>" & @CRLF & _ " <script type='text/javascript'>yet another script goes here</script>" & @CRLF & _ "</div>" & @CRLF & _ "" & @CRLF & _ "<script type='text/javascript'>" & @CRLF & _ "googletag.cmd.push(function() {" & @CRLF & _ " googletag.defineSlot('/6176201/Opera_120x600', [120, 600], 'div-gpt-ad-6176201-opera_120x600').addService(googletag.pubads());" & @CRLF & _ " googletag.defineSlot('/6176201/Opera_300x250', [300, 250], 'div-gpt-ad-6176201-opera_300x250').addService(googletag.pubads());" & @CRLF & _ " googletag.defineSlot('/6176201/Opera_728x90', [728, 90], 'div-gpt-ad-6176201-opera_728x90').addService(googletag.pubads());" & @CRLF & _ " googletag.defineSlot('/6176201/Contextuals_Operaweb', [557, 30], 'div-gpt-ad-6176201-contextuals_operaweb').addService(googletag.pubads());" & @CRLF & _ " googletag.pubads().collapseEmptyDivs();" & @CRLF & _ " googletag.pubads().enableSingleRequest();" & @CRLF & _ " googletag.enableServices();" & @CRLF & _ "});" & @CRLF & _ "</script>" & @CRLF & _ "" & @CRLF & _ "<script type='text/javascript'>" & @CRLF & _ "googletag.cmd.push(function() { googletag.display('div-gpt-ad-6176201-opera_728x90'); });" & @CRLF & _ "</script>" & @CRLF & _ "" & @CRLF & _ "<div></div><script type='text/javascript'>this script must stay too</script><a></a>" & @CRLF & _ "" & @CRLF & _ "<script type='text/javascript'>" & @CRLF & _ "googletag.cmd.push(function() { googletag.display('div-gpt-ad-6176201-opera_120x600'); });" & @CRLF & _ "</script>" 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