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 $sRegex = "(?m)\b[a-zA-Z0-9.! #$%&'*+\/=? ^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*\b" Local $sString = "<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">\r\n<html xmlns="http://www.w3.org/1999/xhtml">\r\n<html>\r\n<head></head>\r\n<body>\r\n<a name="top"></a>Back to Category Index</a></p>\r\n<p>-----------------------------------<br/></p>\r\n\r\n67)<a name="e1h1" id="e1h1"></a> Summary: Solar Eclipse 2024 Travel\r\n<br/><br/>\r\n<p>Name: laure gem wilson\r\nRoadtrippers\r\n</p>Category: Travel\r\n<br/><br/>\r\nEmail: <a href="mailto:query-e1h1@email.net">query-e1h1@email.net</a>\r\n<br/><br/>\r\nOutlet: Roadtrip<br/><br/>\r\nDeadline: 7:00 PM EST - 8 July\r\n<br/><br/>\r\n<p>\r\nQuery: \r\n<br/><br/>\r\nHi, I am on assignment to write a feature about planning a road<br/>trip to experience the Solar Eclipse 2024, including path of<br/>totality, advice about viewing, and recommendations for when and<br/>where to book accommodations, thanks!<br/>\r\n</p>\r\n<p>\r\nRequirements: \r\n<br /><br />\r\nMust be domestic USA<br/>\r\n</p>\r\n<p><a href="#top">Back to Top</a> <a href="#Travel">Back to Category Index</a></p>\r\n<p>-----------------------------------<br/>" & @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