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)^(?=.*[BFGJKPQVWXYZ])\w{3}\b" Local $sString = "THE 53097401461" & @CRLF & _ "OF 30966074232" & @CRLF & _ "AND 22632024504" & @CRLF & _ "TO 19347398077" & @CRLF & _ "IN 16891065263" & @CRLF & _ "A 15310087895" & @CRLF & _ "IS 8384246685" & @CRLF & _ "THAT 8000768228" & @CRLF & _ "FOR 6545282031" & @CRLF & _ "IT 5740085369" & @CRLF & _ "AS 5700645258" & @CRLF & _ "WAS 5502713968" & @CRLF & _ "WITH 5182797249" & @CRLF & _ "BE 4818864785" & @CRLF & _ "BY 4703106084" & @CRLF & _ "ON 4594521081" & @CRLF & _ "NOT 4522732626" & @CRLF & _ "HE 4110457083" & @CRLF & _ "I 3884828634" & @CRLF & _ "THIS 3826060334" & @CRLF & _ "ARE 3700433333" & @CRLF & _ "OR 3667713965" & @CRLF & _ "HIS 3611377789" & @CRLF & _ "FROM 3469207674" & @CRLF & _ "AT 3413452256" & @CRLF & _ "WHICH 3140226612" & @CRLF & _ "BUT 2792350185" & @CRLF & _ "HAVE 2777439117" & @CRLF & _ "AN 2726250863" & @CRLF & _ "HAD 2616021603" & @CRLF & _ "THEY 2462131290" & @CRLF & _ "YOU 2337737641" & @CRLF & _ "WERE 2270487439" & @CRLF & _ "THEIR 2152980325" & @CRLF & _ "ONE 2148983086" & @CRLF & _ "ALL 2062779102" & @CRLF & _ "WE 2057296224" 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