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 = "(?<=<[Ss][Cc][Rr][Ii][Pp][Tt]>)([\s\S]*?)(?=<\/[Ss][Cc][Rr][Ii][Pp][Tt]>)" Local $sString = "<script>test</script>" & @CRLF & _ "" & @CRLF & _ "<SCRIPT>" & @CRLF & _ "Example" & @CRLF & _ "</SCRIPT>" & @CRLF & _ "" & @CRLF & _ " <script>" & @CRLF & _ " (function() {" & @CRLF & _ " var widget_id = 825946;" & @CRLF & _ " _shcp = [{" & @CRLF & _ " widget_id: widget_id" & @CRLF & _ " }];" & @CRLF & _ " var lang = (navigator.language || navigator.systemLanguage || navigator.userLanguage || "en")" & @CRLF & _ " .substr(0, 2).toLowerCase();" & @CRLF & _ " var url = "widget.siteheart.com/widget/sh/" + widget_id + "/" + lang + "/widget.js";" & @CRLF & _ " var hcc = document.createElement("script");" & @CRLF & _ " hcc.type = "text/javascript";" & @CRLF & _ " hcc.async = true;" & @CRLF & _ " hcc.src = ("https:" == document.location.protocol ? "https" : "http") + "://" + url;" & @CRLF & _ " var s = document.getElementsByTagName("script")[0];" & @CRLF & _ " s.parentNode.insertBefore(hcc, s.nextSibling);" & @CRLF & _ " })();" & @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