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Bun vs RegExr

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BunDeveloper Tools
RegExrRegex Testing Tools
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Price
Free
Free

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Free
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Overview
Focus
Developer Tools
Regex Testing Tools
Product
Bun is a JavaScript runtime, package manager, bundler, and test runner for speed.
Online tool to learn, build, and test regular expressions for JavaScript and PCRE with examples.
Headquarters
San Francisco, California
Canada
Company size
11-50 employees
2-10 employees
Founded
2022
2008
Pricing details
Published rate
Free
Free
Free options
Free plan
Free plan
Source updated
Oct 29, 2026
Oct 29, 2026

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