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 $sRegex = "(?m)(^#[0-9A-Fa-f]{6}$)|(^#[0-9A-Fa-f]{3,4}$)|(^#[0-9A-Fa-f]{8}$)" Local $sString = "// good case" & @CRLF & _ "#000" & @CRLF & _ "#123" & @CRLF & _ "#999" & @CRLF & _ "#AAA" & @CRLF & _ "#aaa" & @CRLF & _ "#abc" & @CRLF & _ "#FFF" & @CRLF & _ "#0000" & @CRLF & _ "#9999" & @CRLF & _ "#AAAA" & @CRLF & _ "#aaaa" & @CRLF & _ "#abcd" & @CRLF & _ "#FFFF" & @CRLF & _ "#ffff" & @CRLF & _ "#000000" & @CRLF & _ "#456789" & @CRLF & _ "#999999" & @CRLF & _ "#AAAAAA" & @CRLF & _ "#aaaaaa" & @CRLF & _ "#abcdef" & @CRLF & _ "#FFFFFF" & @CRLF & _ "#ffffff" & @CRLF & _ "#00000000" & @CRLF & _ "#12345678" & @CRLF & _ "#99999999" & @CRLF & _ "#AAAAAAAA" & @CRLF & _ "#aaaaaaaa" & @CRLF & _ "#abcdefcc" & @CRLF & _ "#FFFFFFFF" & @CRLF & _ "#ffffffff" & @CRLF & _ "#00123456" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "//bad case" & @CRLF & _ "##" & @CRLF & _ "#0" & @CRLF & _ "#1" & @CRLF & _ "#F" & @CRLF & _ "#f" & @CRLF & _ "#12" & @CRLF & _ "#AB" & @CRLF & _ "#ae" & @CRLF & _ "#aaaaa" & @CRLF & _ "#fffff" & @CRLF & _ "#aaaah" & @CRLF & _ "#aaaaaaa" & @CRLF & _ "#0000000" & @CRLF & _ "#ffffhij" & @CRLF & _ "#h000000" & @CRLF & _ "#aaaaaaai" & @CRLF & _ "#000k0123" & @CRLF & _ "#asdfasfa" & @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