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

/
/
g

Test String

Substitution

Processing...

Code Generator

Generated Code

#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox Local $sRegex = "<!--([\s\S]*?)-->" Local $sString = "</ul>" & @CRLF & _ "<p>" & @CRLF & _ " Evaluation<!--[if gte mso 9]><xml>" & @CRLF & _ "<o:OfficeDocumentSettings>" & @CRLF & _ "<o:AllowPNG />" & @CRLF & _ "<o:TargetScreenSize>1024x768</o:TargetScreenSize>" & @CRLF & _ "</o:OfficeDocumentSettings>" & @CRLF & _ "</xml><![endif]--><!--[if gte mso 9]><xml>" & @CRLF & _ "<w:WordDocument>" & @CRLF & _ "<w:View>Normal</w:View>" & @CRLF & _ "<w:Zoom>0</w:Zoom>" & @CRLF & _ "<w:HyphenationZone>21</w:HyphenationZone>" & @CRLF & _ "<w:PunctuationKerning />" & @CRLF & _ "<w:ValidateAgainstSchemas />" & @CRLF & _ "<w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid>" & @CRLF & _ "<w:IgnoreMixedContent>false</w:IgnoreMixedContent>" & @CRLF & _ "<w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText>" & @CRLF & _ "<w:Compatibility>" & @CRLF & _ "<w:BreakWrappedTables />" & @CRLF & _ "<w:SnapToGridInCell />" & @CRLF & _ "<w:WrapTextWithPunct />" & @CRLF & _ "<w:UseAsianBreakRules />" & @CRLF & _ "<w:DontGrowAutofit />" & @CRLF & _ "</w:Compatibility>" & @CRLF & _ "</w:WordDocument>" & @CRLF & _ "</xml><![endif]--><!--[if gte mso 9]><xml>" & @CRLF & _ "<w:LatentStyles DefLockedState="false" LatentStyleCount="156">" & @CRLF & _ "</w:LatentStyles>" & @CRLF & _ "</xml><![endif]--><!--[if gte mso 10]>" & @CRLF & _ "<style>" & @CRLF & _ "/* Style Definitions */" & @CRLF & _ "table.MsoNormalTable" & @CRLF & _ "{mso-style-name:"Normale Tabelle";" & @CRLF & _ "mso-tstyle-rowband-size:0;" & @CRLF & _ "mso-tstyle-colband-size:0;" & @CRLF & _ "mso-style-noshow:yes;" & @CRLF & _ "mso-style-parent:"";" & @CRLF & _ "mso-padding-alt:0cm 5.4pt 0cm 5.4pt;" & @CRLF & _ "mso-para-margin:0cm;" & @CRLF & _ "mso-para-margin-bottom:.0001pt;" & @CRLF & _ "mso-pagination:widow-orphan;" & @CRLF & _ "font-size:10.0pt;" & @CRLF & _ "font-family:"Times New Roman";" & @CRLF & _ "mso-ansi-language:#0400;" & @CRLF & _ "mso-fareast-language:#0400;" & @CRLF & _ "mso-bidi-language:#0400;}" & @CRLF & _ "</style>" & @CRLF & _ "<![endif]--></p>" & @CRLF & _ "<ul>" & @CRLF & _ " <li>" Local $sSubst = "" Local $sResult = StringRegExpReplace($sString, $sRegex, $sSubst) MsgBox($MB_SYSTEMMODAL, "Result", $sResult)

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