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)Abstract title:(?:.|\r?\n\w)*" Local $sString = "Prof. Imperdiet montes, metus elementum eleifend eget eget adipiscing augue." & @CRLF & _ "Abstract title: Lorem ipsum dolor sit amet, consectetuer adipiscing" & @CRLF & _ "" & @CRLF & _ "A, nec, quam eleifend quis, magnis sit pretium. leo augue. amet, elit. vel" & @CRLF & _ "" & @CRLF & _ "Vel, dis eget nascetur justo. imperdiet consequat et sit Nam Aenean a, Quisque" & @CRLF & _ "Enim. a, dui. Aenean lorem Phasellus commodo quis, pretium ultricies nascetur" & @CRLF & _ "tincidunt. sem. vitae," & @CRLF & _ "montes, tellus. amet, venenatis natoque enim. fringilla" & @CRLF & _ "quis, vitae, Aenean Etiam viverra ipsum dapibus ut elementum Aenean Lorem eget," & @CRLF & _ "nisi mollis Curabitur Quisque Aenean rhoncus sociis justo, sem. justo, vel" & @CRLF & _ "Aenean ultricies nec, eu laoreet." & @CRLF & _ "" & @CRLF & _ "Dr. Enim. vitae, feugiat in, Aenean" & @CRLF & _ "Abstract title: Massa. sociis dis dapibus dolor semper ipsum" & @CRLF & _ "jalor" & @CRLF & _ "" & @CRLF & _ "Semper tincidunt. ullamcorper commodo magnis viverra pede elit. eget aliquet" & @CRLF & _ "eleifend vel, eleifend feugiat pede Vivamus ridiculus vitae, a, ligula, et Nulla" & @CRLF & _ "ligula vulputate ac, nisi. enim dapibus. Donec metus In sit dolor Nam ultricies" & @CRLF & _ "imperdiet. pellentesque Cras eu, massa quis porttitor parturient varius ut," & @CRLF & _ "Phasellus arcu. pretium. quam augue. eu, adipiscing felis, enim. ante," & @CRLF & _ "vulputate Integer dui. ultricies a, dictum rutrum. Nullam nec, quis," & @CRLF & _ "consequat Cum tellus. dis felis dolor. nulla Aliquam Donec massa. justo. in," & @CRLF & _ "nascetur" & @CRLF & _ "Semper tincidunt. ullamcorper commodo magnis viverra pede elit. eget aliquet" & @CRLF & _ "eleifend vel, eleifend feugiat pede Vivamus ridiculus vitae, a, ligula, et Nulla" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "Dr. Justo. nisi elementum ante, Donec Aenean Nulla" & @CRLF & _ "Abstract title:" & @CRLF & _ "" & @CRLF & _ "Aenean consectetuer leo penatibus eget imperdiet nisi. consequat" & @CRLF & _ "lorem pretium mus. " & @CRLF & _ "" & @CRLF & _ "Prof. Dr. Aliquam metus semper" & @CRLF & _ "Abstract title: Aliquet augue. amet, enim ut justo, nec, eleifend lorem enim. nisi. ipsum" & @CRLF & _ "eleifend" & @CRLF & _ "More information will be available soon." 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