regex101

Online regex tester and debugger

regex101 lets you build, test and debug regular expressions for PCRE, JavaScript, Python, Go, Java and more, with explanations and a match debugger.

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Pricing: Free

Platforms: Web

Categories: Developer Tools

regex101 compared with similar tools

Product	Price	Open source	Self-host	Platforms
regex101	Free	–	–	Web
RegExr	Free	Yes	–	Web
DevUtils	Paid	–	–	Mac
Ray	Paid	–	–	Mac, Windows, Linux
Webhook.site	Free plan	–	–	Web, API
Bun	Free	–	–	Mac, Windows, Linux
WireMock	Free plan	Yes	Yes	Self-hosted, Web, Linux, Mac, Windows

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