String UtilsType-Safe & Dependency-Free

A lightweight, type-safe, dependency-free string utility library for TypeScript and modern JavaScript applications.

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Zero Dependencies

Pure vanilla TypeScript with zero runtime overhead and zero third-party dependencies.

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Side-effect free module exports. Bundlers include only the exact functions your application uses.

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Written in strict TypeScript with comprehensive type definitions and declaration maps.

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Dual ESM and CommonJS support plus CDN-ready browser global bundles (IIFE).

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Carefully optimized string manipulation algorithms benchmarked and tested with Vitest.

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Pattern-based slot masking and configurable sensitive string redaction built-in.