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

/
/
mg

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 $sRegex = "(?m)^DTSTART:(.+)$" Local $sString = "BEGIN:VCALENDAR" & @CRLF & _ "PRODID:-//Google Inc//Google Calendar 70.9054//EN" & @CRLF & _ "VERSION:2.0" & @CRLF & _ "CALSCALE:GREGORIAN" & @CRLF & _ "METHOD:PUBLISH" & @CRLF & _ "X-WR-CALNAME:1. Bundesliga" & @CRLF & _ "X-WR-TIMEZONE:Europe/Berlin" & @CRLF & _ "X-WR-CALDESC:iCal-Spielplan mit allen Spielen der 1. Bundesliga 2013-2014 -" & @CRLF & _ " gratis abonnieren!" & @CRLF & _ "BEGIN:VEVENT" & @CRLF & _ "DTSTART:20150226T200500Z" & @CRLF & _ "DTEND:20150226T220500Z" & @CRLF & _ "DTSTAMP:20150227T073355Z" & @CRLF & _ "UID:jmgapu2jbqhsesbpjlfc495c90@google.com" & @CRLF & _ "CREATED:20141216T183608Z" & @CRLF & _ "DESCRIPTION:Europa League\, Zw.\n\nhttp://www.fussball-spielplan.de" & @CRLF & _ "LAST-MODIFIED:20150226T221219Z" & @CRLF & _ "LOCATION:" & @CRLF & _ "SEQUENCE:3" & @CRLF & _ "STATUS:CONFIRMED" & @CRLF & _ "SUMMARY:Sporting Lissabon - VfL Wolfsburg (0:0)" & @CRLF & _ "TRANSP:TRANSPARENT" & @CRLF & _ "END:VEVENT" & @CRLF & _ "BEGIN:VEVENT" & @CRLF & _ "DTSTART:20150226T180000Z" & @CRLF & _ "DTEND:20150226T200000Z" & @CRLF & _ "DTSTAMP:20150227T073355Z" & @CRLF & _ "UID:uorcsvdsc24f37frgm36f3sfak@google.com" & @CRLF & _ "CREATED:20141216T164808Z" & @CRLF & _ "DESCRIPTION:Europa League\, Zw.\n\nhttp://www.fussball-spielplan.de" & @CRLF & _ "LAST-MODIFIED:20150226T200016Z" & @CRLF & _ "LOCATION:Borussia-Park\, Mönchengladbach" & @CRLF & _ "SEQUENCE:3" & @CRLF & _ "STATUS:CONFIRMED" & @CRLF & _ "SUMMARY:Bor. Mönchengladbach - FC Sevilla (2:3)" & @CRLF & _ "TRANSP:TRANSPARENT" & @CRLF & _ "END:VEVENT" & @CRLF & _ "BEGIN:VEVENT" & @CRLF & _ "DTSTART:20150225T194500Z " & @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