What is Regex101?
Regex101 is a web-based tool that helps you build and test regular expressions (regex). It provides a clear interface where you can write your regex pattern and then see how it matches against a sample text in real-time.
What Makes Regex101 Stand Out
- Real-time feedback: See your regex pattern match and highlight as you type.
- Multiple flavors: Supports various regex engines like PCRE, Python, and JavaScript, so you can test for different environments.
- Detailed explanations: It breaks down your regex, explaining what each part does, which is incredibly helpful for learning and debugging.
- Save and share: You can save your regex patterns and share them with others, making collaboration easier.
Who Should Use Regex101?
This tool is for anyone who works with text data and needs to find, extract, or manipulate specific patterns. This includes developers, data analysts, system administrators, and even writers who need to perform complex text searches.
Is Regex101 Free?
Yes, Regex101 is completely free to use for its core functionality. You can access all the essential features for building and testing regex patterns without any cost.