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Free Regular Expression Tool for Writing and Testing RegExps

Regular Expression Editor

You know the green-on-black code flying all over the computer screens in The Matrix? Regular Expressions don't look too different. They can be really gnarly and debugging them is a pain. This is why we created a free Regular Expression tool to help learn, author, and test RegExps.

Regular Expressions are a powerful way of programmatically searching for and replacing text. They're used in a wide variety of ways.  Some examples include validating inputs to ensure a user has provided a valid phone number and email address, finding all links to external websites on a web page, extracting content from one website to another, etc.

I will be using the HiFi RegExp Tool in an upcoming blog post series on "Getting Comfortable with Regular Expressions". You should subscribe to our development blog to receive updates on this series as they come.

Comments

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Ben NMC team member

Glad someone finally made this!

's avatar
Aziz Light

Great Job, I love it, used it on my last project, it saved me a lot of time and headaches.

Is it possible to get a downloadable version too please?

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