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

~
~
msgxi

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 $sRegex = "(?msxi)#https://www.native-english.ru/grammar/english-nouns-plural" & @CRLF & _ "" & @CRLF & _ "(?<![a-z]) #word boundary" & @CRLF & _ "(?: [a-z]+ [bcdfghjklmnpqrtvwzeoya]s" & @CRLF & _ " | [a-z]+ (?:[sc]h|[sxoiv])es" & @CRLF & _ " | children|men|women|mice|teeth|feet|geese|oxen|deer|sheep|swine" & @CRLF & _ ")" & @CRLF & _ "$" Local $sString = "area" & @CRLF & _ "areas" & @CRLF & _ "" & @CRLF & _ "child" & @CRLF & _ "children" & @CRLF & _ "man" & @CRLF & _ "men" & @CRLF & _ "woman" & @CRLF & _ "women" & @CRLF & _ "mouse" & @CRLF & _ "mice" & @CRLF & _ "tooth" & @CRLF & _ "teeth" & @CRLF & _ "foot" & @CRLF & _ "feet" & @CRLF & _ "goose" & @CRLF & _ "geese" & @CRLF & _ "" & @CRLF & _ "ox" & @CRLF & _ "oxen" & @CRLF & _ "" & @CRLF & _ "deer" & @CRLF & _ "sheep" & @CRLF & _ "swine" & @CRLF & _ "" & @CRLF & _ "cat" & @CRLF & _ "cats" & @CRLF & _ "bus" & @CRLF & _ "buses" & @CRLF & _ "moon" & @CRLF & _ "moones" & @CRLF & _ "" & @CRLF & _ "class" & @CRLF & _ "classes" & @CRLF & _ "box" & @CRLF & _ "boxes" & @CRLF & _ "bush" & @CRLF & _ "bushes" & @CRLF & _ "inch" & @CRLF & _ "inches" & @CRLF & _ "match" & @CRLF & _ "matches" & @CRLF & _ "" & @CRLF & _ "shelf" & @CRLF & _ "shelves" & @CRLF & _ "wive" & @CRLF & _ "wives" & @CRLF & _ "" & @CRLF & _ "chief" & @CRLF & _ "chiefs" & @CRLF & _ "roof" & @CRLF & _ "roofs" & @CRLF & _ "safe" & @CRLF & _ "safes" & @CRLF & _ "" & @CRLF & _ "army" & @CRLF & _ "armies" & @CRLF & _ "city" & @CRLF & _ "cities" & @CRLF & _ "employee" & @CRLF & _ "employees" & @CRLF & _ "" & @CRLF & _ "day" & @CRLF & _ "days" & @CRLF & _ "toy" & @CRLF & _ "toys" & @CRLF & _ "boy" & @CRLF & _ "boys" & @CRLF & _ "" & @CRLF & _ "hero" & @CRLF & _ "heroes" & @CRLF & _ "potato" & @CRLF & _ "potatoes" & @CRLF & _ "tomato" & @CRLF & _ "tomatoes" & @CRLF & _ "" & @CRLF & _ "solo" & @CRLF & _ "solos" & @CRLF & _ "radio" & @CRLF & _ "radios" & @CRLF & _ "photo" & @CRLF & _ "photos" & @CRLF & _ "piano" & @CRLF & _ "pianos" 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