<ul data-eligibleForWebStory="false"><li>Regolith is a server-side TypeScript and JavaScript library designed to prevent Regular Expression Denial of Service (ReDoS) attacks using Rust and linear Regex.</li><li>ReDoS attacks exploit vulnerable Regex patterns with specific inputs to cause service unavailability; Regolith offers a linear worst case time complexity compared to the exponential worst case of default RegExp.</li><li>Regolith aims to be a drop-in replacement for RegExp, immune to ReDoS attacks, requiring minimal changes for developers.</li><li>The trade-off for Regolith's immunity to ReDoS attacks is the exclusion of backreferences and look-around features in the Rust Regex library.</li></ul>

Preventing ReDoS Attacks with Regolith

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