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

r"
"
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)\b(?:https?://)?(?:[\w-]+\.)*nytimes\.com/[\w/.\-#?&=]*\b" Local $sString = "|url=https://thelede.blogs.nytimes.com/2008/01/15/mona-lisas-identity-solved-for-good/?searchResultPosition=2&mtrref=www.nytimes.com&gwh=9DE4B32CC79812F2537467E9D52707E9&gwt=pay&assetType=REGIWALL}}" & @CRLF & _ "" & @CRLF & _ "|url=https://www.nytimes.com/1987/01/09/opinion/l-couldn-t-mona-lisa-just-stay-a-mystery-361987.html |access-date=2022-07-10" & @CRLF & _ "" & @CRLF & _ "[https://www.nytimes.com/2022/04/25/technology/musk-twitter-sale.html?searchResultPosition=19 Normal external link]" & @CRLF & _ "" & @CRLF & _ "this one might be found someblog.nytimes.com/musk-twitter-sale#maybe?searchResultPosition=17 randomly in text" 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