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

~
~
mgu

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 $sRegex = "(?mu)^/foo/bar/+(?:(?:find|count)/*$(*SKIP)(*FAIL)|([^/\r\n\t]+))/*$" Local $sString = "--------------------must NOT get as id (reseved key words)" & @CRLF & _ "/foo/bar/count" & @CRLF & _ "/foo/bar/find" & @CRLF & _ "--------------------must NOT get as id (not present)" & @CRLF & _ "/foo/bar/" & @CRLF & _ "--------------------must NOT get as id (not present tab test)" & @CRLF & _ "/foo/bar/ " & @CRLF & _ "--------------------must NOT get as id (not present line break test)" & @CRLF & _ "/foo/bar/" & @CRLF & _ "" & @CRLF & _ "--------------------must NOT get as id (not present tab, line break, multiple slashes test)" & @CRLF & _ "/foo/bar// /" & @CRLF & _ " /" & @CRLF & _ "//" & @CRLF & _ "--------------------must get as id" & @CRLF & _ "/foo/bar/1" & @CRLF & _ "/foo/bar/1c" & @CRLF & _ "/foo/bar/c1" & @CRLF & _ "/foo/bar/sku" & @CRLF & _ "/foo/bar/countfind" & @CRLF & _ "/foo/bar/findcount" & @CRLF & _ "/foo/bar/skucount" & @CRLF & _ "/foo/bar/skufind" & @CRLF & _ "/foo/bar/countsku" & @CRLF & _ "/foo/bar/findsku" & @CRLF & _ "/foo/bar/coun" & @CRLF & _ "/foo/bar/fin" & @CRLF & _ "/foo/bar/ount" & @CRLF & _ "/foo/bar/ind" & @CRLF & _ "/foo/bar/skucoun" & @CRLF & _ "/foo/bar/skufin" & @CRLF & _ "/foo/bar/finsku" & @CRLF & _ "/foo/bar/counsku" & @CRLF & _ "--------------------must get as id (unnecessary slash test)" & @CRLF & _ "/foo/bar/1/" & @CRLF & _ "/foo/bar/1c/" & @CRLF & _ "/foo/bar/c1/" & @CRLF & _ "/foo/bar/sku/" & @CRLF & _ "/foo/bar/countfind/" & @CRLF & _ "/foo/bar/findcount/" & @CRLF & _ "/foo/bar/skucount/" & @CRLF & _ "/foo/bar/skufind/" & @CRLF & _ "/foo/bar/countsku/" & @CRLF & _ "/foo/bar/findsku/" & @CRLF & _ "/foo/bar/coun/" & @CRLF & _ "/foo/bar/fin/" & @CRLF & _ "/foo/bar/ount/" & @CRLF & _ "/foo/bar/ind/" & @CRLF & _ "/foo/bar/skucoun/" & @CRLF & _ "/foo/bar/skufin/" & @CRLF & _ "/foo/bar/finsku/" & @CRLF & _ "/foo/bar/counsku/" & @CRLF & _ "--------------------must get as id (unnecessary|invalid slashed test)" & @CRLF & _ "/foo/bar///1///" & @CRLF & _ "/foo/bar///1c///" & @CRLF & _ "/foo/bar///c1///" & @CRLF & _ "/foo/bar///sku///" & @CRLF & _ "/foo/bar///countfind///" & @CRLF & _ "/foo/bar///findcount///" & @CRLF & _ "/foo/bar///skucount///" & @CRLF & _ "/foo/bar///skufind///" & @CRLF & _ "/foo/bar///countsku///" & @CRLF & _ "/foo/bar///findsku///" & @CRLF & _ "/foo/bar///coun///" & @CRLF & _ "/foo/bar///fin///" & @CRLF & _ "/foo/bar///ount///" & @CRLF & _ "/foo/bar///ind///" & @CRLF & _ "/foo/bar///skucoun///" & @CRLF & _ "/foo/bar///skufin///" & @CRLF & _ "/foo/bar///finsku///" & @CRLF & _ "/foo/bar///counsku///" 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