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"
"
gmi

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 = "(?mi)(?<!\bsub )\btotal\b\D*(\d+(?:\.\d+))" Local $sString = "Friscos #8603" & @CRLF & _ "8100 E. Orchard Road" & @CRLF & _ "Greenwood Village, Colorado 80111" & @CRLF & _ "2013-11-02" & @CRLF & _ "Table 00" & @CRLF & _ "Guest" & @CRLF & _ "1 Oysters 1/2 Shell #1" & @CRLF & _ "1 Crab Cake" & @CRLF & _ "1 Filet 1602 Bone In" & @CRLF & _ "1 Ribeye 22oz Bone In" & @CRLF & _ "1 Asparagus" & @CRLF & _ "1 Potato Au Gratin" & @CRLF & _ "$17.00" & @CRLF & _ "$19.00" & @CRLF & _ "$66.00" & @CRLF & _ "$53.00" & @CRLF & _ "$12.00" & @CRLF & _ "$11.50" & @CRLF & _ "Sub Total" & @CRLF & _ "Tax" & @CRLF & _ "$178.50" & @CRLF & _ "$12.94" & @CRLF & _ "Total" & @CRLF & _ "$191.44" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "Berghotel" & @CRLF & _ "Grosse Scheidegg" & @CRLF & _ "3818 Grindelwald" & @CRLF & _ "Familie R. Müller" & @CRLF & _ "Rech. Nr. 4572" & @CRLF & _ "Bar" & @CRLF & _ "30.07.2007/13:29:17" & @CRLF & _ "Tisch 7/01" & @CRLF & _ "NM" & @CRLF & _ "#ರ" & @CRLF & _ "2xLatte Macchiato à 4.50 CHF" & @CRLF & _ "1xGloki" & @CRLF & _ "à 5.00 CHF" & @CRLF & _ "1xSchweinschnitzel à 22.00 CHF" & @CRLF & _ "1xChässpätzli à 18.50 CHF" & @CRLF & _ "#ರ #ರ #1ರ" & @CRLF & _ "5.00" & @CRLF & _ "22.00" & @CRLF & _ "18.50" & @CRLF & _ "Total:" & @CRLF & _ "CHF" & @CRLF & _ "54.50" & @CRLF & _ "Incl. 7.6% MwSt" & @CRLF & _ "54.50 CHF:" & @CRLF & _ "3.85" & @CRLF & _ "Entspricht in Euro 36.33 EUR" & @CRLF & _ "Es bediente Sie: Ursula" & @CRLF & _ "MwSt Nr. : 430 234" & @CRLF & _ "Tel.: 033 853 67 16" & @CRLF & _ "Fax.: 033 853 67 19" & @CRLF & _ "E-mail: grossescheidegg@bluewin.ch" & @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