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"
"
gsm

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 $sRegex = "(?sm)(\d+) 0 obj[^>]+/Page$" Local $sString = "%PDF-1.3" & @CRLF & _ "%¦¦¦¦" & @CRLF & _ "" & @CRLF & _ "1 0 obj" & @CRLF & _ "<<" & @CRLF & _ "/Type /Catalog /AcroForm << /Fields [12 0 R 13 0 R] /NeedAppearances false /SigFlags 3 /Version /1.7 /Pages 3 0 R /Names << >> /ViewerPreferences << /Direction /L2R >> /PageLayout /SinglePage /PageMode /UseNone /OpenAction [0 0 R /FitH null] /DR << /Font << /F1 14 0 R >> >> /DA (/F1 0 Tf 0 g) /Q 0 >> /Perms << /DocMDP 11 0 R >>" & @CRLF & _ "/Outlines 2 0 R" & @CRLF & _ "/Pages 3 0 R" & @CRLF & _ ">>" & @CRLF & _ "endobj" & @CRLF & _ "" & @CRLF & _ "2 0 obj" & @CRLF & _ "<<" & @CRLF & _ "/Type /Outlines" & @CRLF & _ "/Count 0" & @CRLF & _ ">>" & @CRLF & _ "endobj" & @CRLF & _ "" & @CRLF & _ "3 0 obj" & @CRLF & _ "<<" & @CRLF & _ "/Type /Pages" & @CRLF & _ "/Count 2" & @CRLF & _ "/Kids [ 4 0 R 6 0 R ]" & @CRLF & _ ">>" & @CRLF & _ "endobj" & @CRLF & _ "" & @CRLF & _ "4 0 obj" & @CRLF & _ "<<" & @CRLF & _ "/Type /Page" & @CRLF & _ "/Parent 3 0 R" & @CRLF & _ "/Resources <<" & @CRLF & _ "/Font <<" & @CRLF & _ "/F1 9 0 R" & @CRLF & _ ">>" & @CRLF & _ "/ProcSet 8 0 R" & @CRLF & _ ">>" & @CRLF & _ "/MediaBox [0 0 612.0000 792.0000]" & @CRLF & _ "/Contents 5 0 R" & @CRLF & _ ">>" & @CRLF & _ "endobj" & @CRLF & _ "" & @CRLF & _ "5 0 obj" & @CRLF & _ "<< /Length 1074 >>" & @CRLF & _ "stream" & @CRLF & _ "2 J" & @CRLF & _ "BT" & @CRLF & _ "0 0 0 rg" & @CRLF & _ "/F1 0027 Tf" & @CRLF & _ "57.3750 722.2800 Td" & @CRLF & _ "( A Simple PDF File ) Tj" & @CRLF & _ "ET" & @CRLF & _ "BT" & @CRLF & _ "/F1 0010 Tf" 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