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  1. RegExr is a web tool for creating and testing regular expressions (RegEx) for JavaScript and PCRE. It offers syntax highlighting, cheat sheet, reference, explain mode, and community patterns.

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      RegExr is an online tool to learn, build, & test Regular...

    • Regexr Desktop

      RegExr is an online tool to learn, build, & test Regular...

  2. regex101: build, test, and debug regex. An explanation of your regex will be automatically generated as you type. Detailed match information will be displayed here automatically. Test String. Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

  3. RegExr is a web tool for editing, testing, and sharing regular expressions. It offers syntax highlighting, contextual help, video tutorial, reference, and searchable community patterns.

  4. RegExr was created by gskinner.com and is proudly hosted by Media Temple. Edit the Expression & Text to see matches. Roll over matches or the expression for details. PCRE & JavaScript flavors of RegEx are supported. Validate your expression with Tests mode. The side bar includes a Cheatsheet, full Reference, and Help.

  5. Las siguientes tres expresiones crean el mismo objeto de expresión regular: js. let er = /ab+c/i; // notación literal let er = new RegExp("ab+c", "i"); // constructor con patrón de cadena como primer argumento let er = new RegExp(/ab+c/, "i"); // constructor con expresión regular literal como primer argumento (a partir de ECMAScript 6) La ...

  6. A web tool to test and debug regular expressions for Javascript, PCRE, and PHP. Save your regex patterns, name them, and share them with others.

  7. Regex Learn es una plataforma en línea que te permite aprender, practicar, probar y compartir Regex paso a paso, de cero a avanzado. Explora los patrones y símbolos de Regex con la Cheatsheet, el Playground y los tutoriales interactivos.