Oyster Alternatives

    Oyster is described as 'Regular expressions are a powerful tool for developers, but they aren't the easiest things to build and debug. Oyster helps you interactively build and test them, storing each "pearl" in an easy to access library' and is an app in the Development category. There are more than 25 alternatives to Oyster for a variety of platforms, including Windows, Online / Web-based, Mac, Linux and Self-Hosted solutions. The best alternative is RegExr, which is both free and Open Source. Other great apps like Oyster are regular expressions 101 (Free), Expresso (Free), RegexBuddy (Paid) and PowerGREP (Paid).

    This page was last updated Mar 3, 2021

    1. RegExr.com is an online tool to learn, build, and test Regular Expressions. It was created by Grant Skinner and the nice people at gskinner.com. Features: - Results update in real-time as you type. - Supports JavaScript & PHP/PCRE RegEx.
    2. Regex101 is a powerful, online regular expression tool with extensive support for multiple languages including PHP, PCRE, Python and JavaScript.


    3. The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer or web designer with an extensive knowledge of regular expressions.
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    4. RegexBuddy is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier.
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    5. Quickly search through large numbers of files on your PC or network using powerful text patterns to find exactly the information you want. Search and replace with plain text or regular expressions to maintain web sites, source code, reports, ...
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    6. iHateRegex offers an easy way for developers to find helpful and reusable regular expressions while also providing an intuitive playground to interact with regex snippets to create or just learn.
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    7. Use RegexMagic to generate complete regular expressions to your specifications by using RegexMagics flexible patterns, instead of the cryptic regex syntax.
    8. Online Silverlight regular expression tester with instantaneous highlighting, regex analysis, code completion, benchmarking, and C# and VB.NET code generation.
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      • Mac
      Patterns is a simple yet powerful tool for working with regular expressions. Build great patterns quickly and effortlessly with syntax coloring and with matching and replacing occurring in real time.
    9. A ruby based regular expression editor
    Showing 10 of 34 alternatives