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)[!-\/:-@[-`{-~]" Local $sString = " ! U+0021 EXCLAMATION MARK" & @CRLF & _ " " U+0022 QUOTATION MARK" & @CRLF & _ " # U+0023 NUMBER SIGN" & @CRLF & _ " $ U+0024 DOLLAR SIGN" & @CRLF & _ " % U+0025 PERCENT SIGN" & @CRLF & _ " & U+0026 AMPERSAND" & @CRLF & _ " ' U+0027 APOSTROPHE" & @CRLF & _ " ( U+0028 LEFT PARENTHESIS" & @CRLF & _ " ) U+0029 RIGHT PARENTHESIS" & @CRLF & _ " * U+002A ASTERISK" & @CRLF & _ " + U+002B PLUS SIGN" & @CRLF & _ " , U+002C COMMA" & @CRLF & _ " - U+002D HYPHEN-MINUS" & @CRLF & _ " . U+002E FULL STOP" & @CRLF & _ " / U+002F SOLIDUS" & @CRLF & _ " : U+003A COLON" & @CRLF & _ " ; U+003B SEMICOLON" & @CRLF & _ " < U+003C LESS-THAN SIGN" & @CRLF & _ " = U+003D EQUALS SIGN" & @CRLF & _ " > U+003E GREATER-THAN SIGN" & @CRLF & _ " ? U+003F QUESTION MARK" & @CRLF & _ " @ U+0040 COMMERCIAL AT" & @CRLF & _ " [ U+005B LEFT SQUARE BRACKET" & @CRLF & _ " \ U+005C REVERSE SOLIDUS" & @CRLF & _ " ] U+005D RIGHT SQUARE BRACKET" & @CRLF & _ " ^ U+005E CIRCUMFLEX ACCENT" & @CRLF & _ " _ U+005F LOW LINE" & @CRLF & _ " ` U+0060 GRAVE ACCENT" & @CRLF & _ " { U+007B LEFT CURLY BRACKET" & @CRLF & _ " | U+007C VERTICAL LINE" & @CRLF & _ " } U+007D RIGHT CURLY BRACKET" & @CRLF & _ " ~ U+007E TILDE" 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