one-more-re-nightmare
A fast regular expression engine for Common Lisp that compiles regexes to machine code using derivative-based DFA compilation.
What is one-more-re-nightmare?
one-more-re-nightmare is a regular expression engine for Common Lisp that compiles regex patterns to machine code using a derivative-based approach to construct deterministic finite automata (DFA). It solves the problem of slow regex matching in Common Lisp by generating specialized, inlined native code for each regex, resulting in significantly faster matching times compared to interpreters like CL-PPCRE.
Common Lisp developers who need high-performance, POSIX-compliant regular expression matching, especially in applications where the same regex is applied to large amounts of text or many strings.
Developers choose one-more-re-nightmare for its superior matching speed, achieved by compiling regexes directly to machine code and offering optional SIMD vectorization. Its focus on POSIX compliance and optimization for repeated use cases makes it a compelling alternative to existing regex libraries in the Common Lisp ecosystem.
Overview
A fast regular expression compiler in Common Lisp
Use Cases
Best For
- High-performance text processing in Common Lisp applications
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