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

/
/
g

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 = "Kerberos-wsfed:[\s\S]*Mean:\s(\d+)" Local $sString = "Kerberos:" & @CRLF & _ " Historical:" & @CRLF & _ " Between 26 and 50 milliseconds: 10262" & @CRLF & _ " Between 50 and 100 milliseconds: 658" & @CRLF & _ " Between 101 and 200 milliseconds: 9406" & @CRLF & _ " Between 201 and 500 milliseconds: 6046" & @CRLF & _ " Between 501 milliseconds and 1 second: 1646" & @CRLF & _ " Between 1 and 5 seconds: 1399" & @CRLF & _ " Between 6 and 10 seconds: 13" & @CRLF & _ " Between 11 and 30 seconds: 34" & @CRLF & _ " Between 31 seconds and 1 minute: 7" & @CRLF & _ " Between 1 minute and 2 minutes: 1" & @CRLF & _ " Mean: 268, Mode: 36, Median: 123" & @CRLF & _ " Total: 29472" & @CRLF & _ " Kerberos-wsfed:" & @CRLF & _ " Historical:" & @CRLF & _ " Between 26 and 50 milliseconds: 3151" & @CRLF & _ " Between 50 and 100 milliseconds: 129" & @CRLF & _ " Between 101 and 200 milliseconds: 650" & @CRLF & _ " Between 201 and 500 milliseconds: 411" & @CRLF & _ " Between 501 milliseconds and 1 second: 171" & @CRLF & _ " Between 1 and 5 seconds: 119" & @CRLF & _ " Between 6 and 10 seconds: 4" & @CRLF & _ " Between 11 and 30 seconds: 6" & @CRLF & _ " Between 1 minute and 2 minutes: 1" & @CRLF & _ " Mean: 176, Mode: 33, Median: 37" & @CRLF & _ " Total: 4642" & @CRLF & _ "" & @CRLF & _ "^.*?(?=Kerberos-wsfed:.*Mean:\s)\d+" 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