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  1. Regex Tutorial - How to write Regular Expressions?

    Apr 12, 2024 · Here's how to write regular expressions: Start by understanding the special characters used in regex, such as ".", "*", "+", "?", and more. Choose a programming language or tool that …

  2. Regular expression syntax cheat sheet - JavaScript | MDN

    Dec 8, 2025 · This page provides an overall cheat sheet of all the capabilities of RegExp syntax by aggregating the content of the articles in the RegExp guide. If you need more information on a …

  3. Regex Tutorial - A Cheatsheet with Examples - Regextutorial.org

    If you want to learn Regex with Simple & Practical Examples, I will suggest you to see this simple and to the point Complete Regex Course with step by step approach & exercises. This video course …

  4. Regular Expression Examples

    Oct 29, 2025 · Below, you will find many example patterns that you can use for and adapt to your own purposes. Key techniques used in crafting each regex are explained, with links to the corresponding …

  5. regex101: build, test, and debug regex

    Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.

  6. Regex Cheat Sheet - rexegg.com

    Regular Expressions Syntax Reference. Includes tables showing syntax, examples and matches.

  7. RegExr: Learn, Build, & Test RegEx

    Menu RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp). Supports JavaScript & PHP/PCRE RegEx. Results update in real-time as you type. Roll over a match or …

  8. A Practical Guide to Regular Expressions – Learn RegEx with Real Life ...

    Aug 1, 2023 · Some practical examples of using regex are batch file renaming, parsing logs, validating forms, making mass edits in a codebase, and recursive search. In this tutorial, we're going to cover …

  9. Regular Expression (regex) Examples + Use Cases in 2025

    Mar 6, 2025 · We explain why regular expressions can be helpful and walk through several examples including python, removing code sets, editing csv files.

  10. RegEx Examples: Mastering Regular Expressions with Practical Cases

    Creating a RegEx pattern can be tricky, if you're not familiarized with Regular Expressions, so to make our lives easier, here you'll find a list of examples for most used data patterns.