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Regex101 vs TypeScript
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Regex Testing Tools
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Regex Testing Tools
Overview
Focus
Regex Testing Tools
Developer Tools
Product
Free online regex tester and debugger supporting PHP, Python, JavaScript, Go, and Java regex flavors.
Microsoft's strongly typed superset of JavaScript compiling to plain JS with rich tooling and IntelliSense.
Headquarters
Netherlands
Redmond, Washington
Company size
2-10 employees
N/A (Microsoft)
Founded
2011
2012
Pricing details
Published rate
Free
Free
Free options
Free plan
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026