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 $sRegex = "(?m)^(?P<KEY>[^=#\s]+)=(?P<VALUE>.*)$" Local $sString = "app=tcp/444" & @CRLF & _ "# Catchs only Key:app Value:tcp > should catch Key:app Value:tcp/444 " & @CRLF & _ "" & @CRLF & _ "catdt=Network-based " & @CRLF & _ "# Current result: " & @CRLF & _ "# catdt:'Network'" & @CRLF & _ "# " & @CRLF & _ "# Shoud be:" & @CRLF & _ "# catdt:'Network-based' " & @CRLF & _ "" & @CRLF & _ "eventId=123123 externalId=11111" & @CRLF & _ "# Current result:" & @CRLF & _ "# eventId:'123123 externalId=11111'" & @CRLF & _ "#" & @CRLF & _ "# Should catch" & @CRLF & _ "# eventId: '123123'" & @CRLF & _ "# externalId: '111111'" & @CRLF & _ "" & @CRLF & _ "src=2.3.4.5" & @CRLF & _ "# Current result:" & @CRLF & _ "# src:'2'" & @CRLF & _ "#" & @CRLF & _ "# Should catch" & @CRLF & _ "# src: '2.3.4.5'" & @CRLF & _ "" & @CRLF & _ "eventAnnotationEndTime=1493293598\=aaa00" & @CRLF & _ "# Should be:" & @CRLF & _ "# eventAnnotationEndTime: '1493293598\=aaa00'" & @CRLF & _ "" & @CRLF & _ "eventAnnotationEndTimeA=1493293598A\=aaa01 " & @CRLF & _ "eventAnnotationEndTimeB=1493293598\=aaa02" & @CRLF & _ "# Should be:" & @CRLF & _ "# eventAnnotationEndTimeA: '1493293598\=aaa01'" & @CRLF & _ "# eventAnnotationEndTimeB: '1493293598\=aaa02'" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "sourceTranslatedZoneURI=/All Zones/ArcSight System/Private Address Space Zones/RFC1918: 172.3.0.0-172.3.255.255" & @CRLF & _ "# Should be:" & @CRLF & _ "# ourceTranslatedZoneURI: '/All Zones/ArcSight System'" 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