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

/
/
gm

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 $sRegex = "(?m)\w.*solarwinds.orion\\(solarwinds.*|swjobengine.*|netflowservice.*|counterfetcher.*)\.exe$" Local $sString = "// Explanation" & @CRLF & _ "// Matches all files part of the "orion" folder that start with solarwinds,swjobengine,netflowservice,counterfetcher and ends with ".exe"" & @CRLF & _ "" & @CRLF & _ "// Some Solarwinds exe starting with "solarwinds."" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.orion.logmgmt.syslogservice.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.businesslayerhostx64.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.orion.logmgmt.syslogservice.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.collector.service.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.orion.logmgmt.pollingservice.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.businesslayerhost.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.orion.logmgmt.trapservice.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.recommendations.service.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.informationservice.servicev3.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.highavailability.service.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.servicehost.process.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.topology.calculator.exe" & @CRLF & _ "" & @CRLF & _ "// Example with another drive" & @CRLF & _ "C:\program files\solarwinds\orion\solarwinds.topology.calculator.exe" & @CRLF & _ "" & @CRLF & _ "// Some Solarwinds exe NOT starting with "solarwinds."" & @CRLF & _ "e:\program files\solarwinds\orion\netflowservice.exe" & @CRLF & _ "e:\program files\solarwinds\orion\swjobengineworker2.exe" & @CRLF & _ "e:\program files\solarwinds\orion\swjobenginesvc2.exe" & @CRLF & _ "e:\program files\solarwinds\orion\swjobengineworker2x64.exe" & @CRLF & _ "e:\program files\solarwinds\orion\counterfetcher.exe" & @CRLF & _ "" & @CRLF & _ "// Non Orion folders" & @CRLF & _ "c:\program files\common files\solarwinds\administrationservice\solarwinds.administration.exe" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "// TESTS" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.test.exe" & @CRLF & _ "e:\program files\solarwinds\orion\solarwinds.test.test2.exe" & @CRLF & _ "" & @CRLF & _ "Without orion folder" & @CRLF & _ "e:\program files\solarwinds\NotOrion\solarwinds.servicehost.process.exe" & @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