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

/
/
gm

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)\]\sA\s+(.*)(microsoft|office|azure|o365|onenote|outlook|windowsupdate)(\(\d+\))(com|net|us)(\(\d+\))\s" Local $sString = "10/6/2023 6:19:18 AM 149C PACKET 0000023A2A31D8A0 UDP Rcv 10.106.92.80 e32e Q [0001 D NOERROR] A (6)mobile(4)pipe(4)aria(9)microsoft(3)com(0)" & @CRLF & _ "UDP question info at 0000023A2A31D8A0" & @CRLF & _ " Socket = 816" & @CRLF & _ " Remote addr 10.106.92.80, port 54599" & @CRLF & _ " Time Query=5683788, Queued=0, Expire=0" & @CRLF & _ " Buf length = 0x0fa0 (4000)" & @CRLF & _ " Msg length = 0x0030 (48)" & @CRLF & _ " Message:" & @CRLF & _ " XID 0xe32e" & @CRLF & _ " Flags 0x0100" & @CRLF & _ " QR 0 (QUESTION)" & @CRLF & _ " OPCODE 0 (QUERY)" & @CRLF & _ " AA 0" & @CRLF & _ " TC 0" & @CRLF & _ " RD 1" & @CRLF & _ " RA 0" & @CRLF & _ " Z 0" & @CRLF & _ " CD 0" & @CRLF & _ " AD 0" & @CRLF & _ " RCODE 0 (NOERROR)" & @CRLF & _ " QCOUNT 1" & @CRLF & _ " ACOUNT 0" & @CRLF & _ " NSCOUNT 0" & @CRLF & _ " ARCOUNT 0" & @CRLF & _ " QUESTION SECTION:" & @CRLF & _ " Offset = 0x000c, RR count = 0" & @CRLF & _ " QTYPE A (1)" & @CRLF & _ " QCLASS 1" & @CRLF & _ " ANSWER SECTION:" & @CRLF & _ " empty" & @CRLF & _ " AUTHORITY SECTION:" & @CRLF & _ " empty" & @CRLF & _ " ADDITIONAL SECTION:" & @CRLF & _ " empty" 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