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

Language

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "(?m)^Official Name:[ \t]*(.+)" Local $sString = "`This is a code update`" & @CRLF & _ "" & @CRLF & _ "Official Name: 2011 New York City Electrical Code" & @CRLF & _ "" & @CRLF & _ "Code Tile Name:" & @CRLF & _ "" & @CRLF & _ "Reference: https://www.nyc.gov/site/buildings/codes/electrical-code.page" & @CRLF & _ "" & @CRLF & _ "Citation: §27-3024" & @CRLF & _ "" & @CRLF & _ "Doc Title: Local Law 39-2011, Local Law 99-2013, Local Law 39-2015" & @CRLF & _ "" & @CRLF & _ "Source Doc: https://www.nyc.gov/assets/buildings/pdf/ll39of2011_electrical_code.pdf" & @CRLF & _ "" & @CRLF & _ "Drive: https://drive.google.com/file/d/19Q0_G3VITpx0iCULtANMHqydAv0ZmvcF/view?usp=share_link" & @CRLF & _ "" & @CRLF & _ "Effective Date: November 19, 2013 " & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "**SCTOMJ**" 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