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

/
/
gm

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)Zwechfreibaum01" Local $sString = "//++++++++++08++++++++++++++++++++" & @CRLF & _ "" & @CRLF & _ "/+++++++++++ App.jsx ++++++++++++" & @CRLF & _ "import React from "react";" & @CRLF & _ "import PictureListAs05 from "./components/PictureListAs05.jsx";" & @CRLF & _ "import PictureListAs06 from "./components/PictureListAs06.jsx";" & @CRLF & _ "" & @CRLF & _ "export default function App() {" & @CRLF & _ " return (" & @CRLF & _ " <div>" & @CRLF & _ " <h1>AS05 – Bilderliste</h1>" & @CRLF & _ " <div style={{ display: "flex", gap: "2rem" }}>" & @CRLF & _ " <PictureListAs05 grenze={80} farbe1="green" farbe2="red" />" & @CRLF & _ " <PictureListAs06 grenze={100} farbe1="blue" farbe2="orange" />" & @CRLF & _ " </div>" & @CRLF & _ " </div>" & @CRLF & _ " );" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "//+++++++++++++ PictureList05.jsx +++++++++++++++++++++++++" & @CRLF & _ "" & @CRLF & _ "import React from "react";" & @CRLF & _ "import ShowPictureList from "./ShowPictureList.jsx";" & @CRLF & _ "" & @CRLF & _ "const BILDER = [" & @CRLF & _ " { url: "https://picsum.photos/seed/a/400", alt: "Wald", datum: "2025-02-01", zahl: 120 }," & @CRLF & _ " { url: "https://picsum.photos/seed/b/400", alt: "Gebirge", datum: "2025-02-02", zahl: 60 }," & @CRLF & _ " { url: "https://picsum.photos/seed/c/400", alt: "Meer", datum: "2025-02-03", zahl: 200 }," & @CRLF & _ " { url: "https://picsum.photos/seed/d/400", alt: "Stadt", datum: "2025-02-04", zahl: 75 }," & @CRLF & _ " { url: "https://picsum.photos/seed/e/400", alt: "Wüste", datum: "2025-02-05", zahl: 95 }," & @CRLF & _ " { url: "https://picsum.photos/seed/f/400", alt: "Wiese", datum: "2025-02-06", zahl: 50 }," & @CRLF & _ "];" & @CRLF & _ "" & @CRLF & _ "export default function PictureListAs05({ grenze, farbe1, farbe2 }) {" & @CRLF & _ " const GRENZE = grenze;" & @CRLF & _ " const FARBE1 = farbe1;" & @CRLF & _ " const FARBE2 = farbe2;" & @CRLF & _ "" & @CRLF & _ " return (" & @CRLF & _ " <div>" & @CRLF & _ " <ShowPictureList" & @CRLF & _ " bilder={BILDER}" & @CRLF & _ " grenze={GRENZE}" & @CRLF & _ " farbe1={FARBE1}" & @CRLF & _ " farbe2={FARBE2}" & @CRLF & _ " />" & @CRLF & _ " </div>" & @CRLF & _ " );" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ "//++++++++++++++ PictureList06.jsx+++++++++++++++++++++++" & @CRLF & _ "" & @CRLF & _ "import React from "react";" & @CRLF & _ "import ShowPictureList from "./ShowPictureList.jsx";" & @CRLF & _ "" & @CRLF & _ "const BILDER = [" & @CRLF & _ " { url: "https://placebear.com/400/400", alt: "Bär im Wald", datum: "2025-02-01", zahl: 120 }," & @CRLF & _ " { url: "https://placebear.com/401/400", alt: "Bär am Berg", datum: "2025-02-02", zahl: 60 }," & @CRLF & _ " { url: "https://placebear.com/402/400", alt: "Bär am See", datum: "2025-02-03", zahl: 200 }," & @CRLF & _ " { url: "https://placebear.com/403/400", alt: "Bär in der Stadt",datum: "2025-02-04", zahl: 75 }," & @CRLF & _ " { url: "https://placebear.com/404/400", alt: "Bär in der Wüste",datum: "2025-02-05", zahl: 95 }," & @CRLF & _ " { url: "https://placebear.com/405/400", alt: "Bär auf der Wiese",datum: "2025-02-06", zahl: 50 }," & @CRLF & _ "];" & @CRLF & _ "" & @CRLF & _ "export default function PictureListAs06({ grenze, farbe1, farbe2 }) {" & @CRLF & _ " const GRENZE = grenze;" & @CRLF & _ " const FARBE1 = farbe1;" & @CRLF & _ " const FARBE2 = farbe2;" & @CRLF & _ "" & @CRLF & _ " return (" & @CRLF & _ " <div>" & @CRLF & _ " <ShowPictureList" & @CRLF & _ " bilder={BILDER}" & @CRLF & _ " grenze={GRENZE}" & @CRLF & _ " farbe1={FARBE1}" & @CRLF & _ " farbe2={FARBE2}" & @CRLF & _ " />" & @CRLF & _ " </div>" & @CRLF & _ " );" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "//+++++++++++++++++++ PictureList.jsx ++++++++++++++++++++" & @CRLF & _ "" & @CRLF & _ "import React, { useState } from "react";" & @CRLF & _ "" & @CRLF & _ "export default function ShowPictureList({ bilder, grenze, farbe1, farbe2 }) {" & @CRLF & _ " const threshold = Number(grenze) || 0;" & @CRLF & _ "" & @CRLF & _ " const imageArrayIndex = useState(0);" & @CRLF & _ " const currentIndex = imageArrayIndex[0];" & @CRLF & _ " const setCurrentIndex = imageArrayIndex[1];" & @CRLF & _ " const borderColor = bilder[currentIndex].zahl > threshold ? farbe1 : farbe2;" & @CRLF & _ " const currentImage = bilder[currentIndex];" & @CRLF & _ "" & @CRLF & _ " return (" & @CRLF & _ " <>" & @CRLF & _ " <ul>" & @CRLF & _ " return (" & @CRLF & _ " <li key={currentIndex}>" & @CRLF & _ " <img" & @CRLF & _ " src={currentImage.url}" & @CRLF & _ " alt={currentImage.alt}" & @CRLF & _ " width={currentImage.zahl}" & @CRLF & _ " style={{ border: `4px solid ${borderColor}` }}" & @CRLF & _ " />" & @CRLF & _ " <p>{currentImage.alt}</p>" & @CRLF & _ " <small>{currentImage.datum}</small>" & @CRLF & _ " </li>" & @CRLF & _ " );" & @CRLF & _ " </ul>" & @CRLF & _ " <button onClick={() => setCurrentIndex(currentIndex + 1)}>" & @CRLF & _ " Nächstes Bild" & @CRLF & _ " </button>" & @CRLF & _ " <button onClick={() => setCurrentIndex(currentIndex - 1)}>" & @CRLF & _ " Vorheriges Bild" & @CRLF & _ " </button>" & @CRLF & _ " </>" & @CRLF & _ " );" & @CRLF & _ "}" & @CRLF & _ "" & @CRLF & _ "//++++++++++ main.jsx +++++++++++++++++++" & @CRLF & _ "" & @CRLF & _ "import { StrictMode } from 'react'" & @CRLF & _ "import { createRoot } from 'react-dom/client'" & @CRLF & _ "import App from './App.jsx'" & @CRLF & _ "" & @CRLF & _ "createRoot(document.getElementById('root')).render(" & @CRLF & _ " <StrictMode>" & @CRLF & _ " <App />" & @CRLF & _ " </StrictMode>," & @CRLF & _ ")" & @CRLF & _ "" & @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