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

/
/
ig

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 $sRegex = "(?i)^[\#]$" Local $sString = "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "# Hello 54.217.223.119. Your session has been logged.<br />" & @CRLF & _ "#<br />" & @CRLF & _ "# Copyright (c) 2002 - 2014 by DK Hostmaster A/S<br />" & @CRLF & _ "# <br />" & @CRLF & _ "# The data in the DK Whois database is provided by DK Hostmaster A/S<br />" & @CRLF & _ "# for information purposes only, and to assist persons in obtaining<br />" & @CRLF & _ "# information about or related to a domain name registration record.<br />" & @CRLF & _ "# We do not guarantee its accuracy. We will reserve the right to remove<br />" & @CRLF & _ "# access for entities abusing the data, without notice.<br />" & @CRLF & _ "# <br />" & @CRLF & _ "# Any use of this material to target advertising or similar activities<br />" & @CRLF & _ "# are explicitly forbidden and will be prosecuted. DK Hostmaster A/S<br />" & @CRLF & _ "# requests to be notified of any such activities or suspicions thereof.<br />" & @CRLF & _ "Domain: dr.dk<br />" & @CRLF & _ "DNS: dr.dk<br />" & @CRLF & _ "Registered: 1998-03-11<br />" & @CRLF & _ "Expires: 2015-03-31<br />" & @CRLF & _ "Registration period: 1 year<br />" & @CRLF & _ "VID: no<br />" & @CRLF & _ "Status: Active<br />" & @CRLF & _ "Registrant<br />" & @CRLF & _ "Handle: D5109-DK<br />" & @CRLF & _ "Name: DR<br />" & @CRLF & _ "Address: DR-Byen, Emil Holms kanal 20<br />" & @CRLF & _ "Postalcode: 0999<br />" & @CRLF & _ "City: København C<br />" & @CRLF & _ "Country: DK<br />" & @CRLF & _ "Phone: +4535203661<br />" & @CRLF & _ "Administrator<br />" & @CRLF & _ "Handle: DH4991-DK<br />" & @CRLF & _ "Name: DR<br />" & @CRLF & _ "Attention: DR Hostmaster<br />" & @CRLF & _ "Address: DR-Byen, Emil Holms kanal 20<br />" & @CRLF & _ "Postalcode: 0999<br />" & @CRLF & _ "City: København C<br />" & @CRLF & _ "Country: DK<br />" & @CRLF & _ "Phone: +4535203660<br />" & @CRLF & _ "Nameservers<br />" & @CRLF & _ "Hostname: dns101.telia.com<br />" & @CRLF & _ "Handle: TA632-DK<br />" & @CRLF & _ "Hostname: dns102.telia.com<br />" & @CRLF & _ "Handle: TA632-DK<br />" & @CRLF & _ "Hostname: ns01.dr.dk<br />" & @CRLF & _ "Handle: DR3450-DK<br />" 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