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
  • Match everything enclosed
    (?:...)
  • Capture everything enclosed
    (...)
  • 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
No Match

/
/
sg

Test String

Code Generator

Language

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?s)\<(ol)(?: .*?)?\>(?:[^\<]|\<(.*?)\>.*\<\/\2\>)*\<\/\1\>" Local $sString = "<ol>kjkjkj" & @CRLF & _ "" & @CRLF & _ "</ol>" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "<ol s>" & @CRLF & _ " <li>Table of Contents.....................CT.TS</li>" & @CRLF & _ " <li>Gamecube Controls.....................CN.GC</li>" & @CRLF & _ " <li>Nintendo 64 Controls..................CN.64</li>" & @CRLF & _ " <li>Walkthrough...........................01.00" & @CRLF & _ " <ol>" & @CRLF & _ " <li>Kokiri Forest...............01.01</li>" & @CRLF & _ " </ol>" & @CRLF & _ " </li> " & @CRLF & _ " <li>Sidequests &amp; Minigames................02.00" & @CRLF & _ " <ol>" & @CRLF & _ " <li>Shooting Gallery............02.01</li>" & @CRLF & _ " </ol>" & @CRLF & _ " </li>" & @CRLF & _ " <li>Boss Guide............................03.00" & @CRLF & _ " <ol>" & @CRLF & _ " <li>Gohma.......................03.01</li>" & @CRLF & _ " <li>Final Boss [Second Form]....03.15</li>" & @CRLF & _ " </ol>" & @CRLF & _ " </li>" & @CRLF & _ " <li>Item Checklist........................04.00" & @CRLF & _ " <ol>" & @CRLF & _ " <li>Final Dungeon...............04.47</li>" & @CRLF & _ " </ol>" & @CRLF & _ " </li>" & @CRLF & _ " <li>Shop Inventory........................05.00 " & @CRLF & _ " <ol>" & @CRLF & _ " <li>Kokiri Shop [Young].........05.01</li>" & @CRLF & _ " <li>Goron Shop [Adult]..........05.09</li>" & @CRLF & _ " </ol>" & @CRLF & _ " </li>" & @CRLF & _ " <li>Ocarina Notes.........................06.00" & @CRLF & _ " <ol><ol>sdsds</ol>" & @CRLF & _ " <li>Requ<ol></ol>iem of Spirit...........06.12</li>" & @CRLF & _ " </ol>" & @CRLF & _ " </li>" & @CRLF & _ " <li>Heart Containers......................07.00</li>" & @CRLF & _ " <li>Item List.............................15.00</li>" & @CRLF & _ " <li>Legal &amp; Copyright.....................LE.AL</li>" & @CRLF & _ " <li>Credits &amp; Thanks......................CR.DS</li>" & @CRLF & _ " </ol>" & @CRLF & _ "" & @CRLF & _ "<ol><ol><ol><ol><ol></ol></ol></ol></ol></ol>" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "sdsd" & @CRLF & _ "k<ol>jlkjlkj " & @CRLF & _ "kjbkjh</ol> " 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