Liran Tal • 10/28/2022

Are you also validating a JavaScript URL using RegEx?

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This article analyzes common JavaScript URL validation methods, highlighting the security risks of using regular expressions (RegEx), specifically Regular Expression Denial of Service (ReDoS) attacks. It compares a simple `URL` constructor approach with a complex, vulnerable RegEx pattern, explaining how catastrophic backtracking can halt Node.js processes. The content promotes secure coding practices and awareness of security pitfalls in web development.

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#JavaScript #security #regex
Are you also validating a JavaScript URL using RegEx?

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