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Sumit

Full Stack MERN Developer

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Sumit is a Full Stack MERN Developer focused on building reliable developer tools and SaaS products. He designs practical features, writes maintainable code, and prioritizes performance, security, and clear user experience for everyday development workflows.

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regexinterview preparationpattern matching

Regex Tester Interview Preparation: Advanced Pattern Mastery for Senior Engineers

A production-grade guide to mastering regular expressions using a regex tester for technical interviews, covering advanced patterns, performance, debugging strategies, and real-world engineering use cases.

Sep 5, 202412 min read
regexpattern matchingperformance optimization

Advanced Regex Tester Use Cases: Production-Grade Pattern Engineering for Modern Systems

A deep technical guide to advanced regex tester use cases, covering engine behavior, performance optimization, security risks, and real-world applications in high-scale systems.

Jun 18, 202412 min read