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
No Match

/
/
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 $sRegex = "(?m)^((?![0-9.,!?:;_|+\-*\\/=%°@&#§$"'`¨^ˇ()\[\]<>{}])[\S])+$" Local $sString = "Vit5" & @CRLF & _ "V.it" & @CRLF & _ ".Vit" & @CRLF & _ "Vit." & @CRLF & _ "Vit\\" & @CRLF & _ "V|it" & @CRLF & _ "Vi-t" & @CRLF & _ "V+it" & @CRLF & _ "+Vit" & @CRLF & _ "Vit^" & @CRLF & _ "V^it" & @CRLF & _ "V&it" & @CRLF & _ "Vi#t" & @CRLF & _ "Vi@t" & @CRLF & _ "Vit " & @CRLF & _ " Vit" & @CRLF & _ "V it" & @CRLF & _ "Vi)t" & @CRLF & _ "V(it" & @CRLF & _ "Vi[t" & @CRLF & _ "Vi]t" & @CRLF & _ "V?it" & @CRLF & _ "V!it" & @CRLF & _ "V$it" & @CRLF & _ "V*it" & @CRLF & _ "Vi{t" & @CRLF & _ "Vi}t" & @CRLF & _ "V<it" & @CRLF & _ "Vi>t" & @CRLF & _ "Vi_t" & @CRLF & _ "V-it" & @CRLF & _ "Vi=t" & @CRLF & _ "Vi%t" & @CRLF & _ "ˇVit" & @CRLF & _ "V;it" & @CRLF & _ "V\"it" & @CRLF & _ "V'it" & @CRLF & _ "V§t" & @CRLF & _ "V¨t" & @CRLF & _ "V`t" & @CRLF & _ "" & @CRLF & _ "Dopita" & @CRLF & _ "Václav" & @CRLF & _ "Átos" & @CRLF & _ "Čeněk" & @CRLF & _ "Pačáp" & @CRLF & _ "Ďurica" & @CRLF & _ "Naďa" & @CRLF & _ "Rémi" & @CRLF & _ "Zdeněk" & @CRLF & _ "Vít" & @CRLF & _ "Ľudovít" & @CRLF & _ "Ňouma" & @CRLF & _ "Ňuňu" & @CRLF & _ "Lórenc" & @CRLF & _ "Ópava" & @CRLF & _ "Mótovidlo" & @CRLF & _ "Řeřicha" & @CRLF & _ "Šušinka" & @CRLF & _ "Ťaťak" & @CRLF & _ "Úlehlú" & @CRLF & _ "Ůlehlů" & @CRLF & _ "Ýtý" & @CRLF & _ "Žežulka" 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