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

/
/
g

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 = "\(20(\d{2}|x{2})((\.|-)([0-9]{2}|x{2}|KW(\d{2}|x{2})|Q(x|[1-4])|(([0-9]{2}|x{2})(\.|-)([0-9]{2}|x{2}))))?\)" Local $sString = "20000002000" & @CRLF & _ "200 0" & @CRLF & _ "(2022.xx2000.xx)" & @CRLF & _ "(2022.xx) 2000.xx" & @CRLF & _ "(2020-20)" & @CRLF & _ "(20xx-12)" & @CRLF & _ "(20xx.xx-11)" & @CRLF & _ "(2002-KW00.00)" & @CRLF & _ "(2002-KW00)" & @CRLF & _ "(2022.KWxx)" & @CRLF & _ "(2021.KW09)" & @CRLF & _ "(2021.KW09)" & @CRLF & _ "(2021.02)" & @CRLF & _ "2022.Qx" & @CRLF & _ "2032.Q4" & @CRLF & _ "(2020.xx)" & @CRLF & _ "2022-Q1" & @CRLF & _ "2022 Test" & @CRLF & _ "Test 20xx" & @CRLF & _ "" & @CRLF & _ "20202020" & @CRLF & _ ".Qx" & @CRLF & _ "KW23" & @CRLF & _ "KWxx" & @CRLF & _ "(20xx)" & @CRLF & _ "(.-Q4)" & @CRLF & _ "" & @CRLF & _ "2000-" & @CRLF & _ "2000." & @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