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A fast implementation of single-pattern substring search using SIMD acceleration, based on the work presented by Wojciech Muła. For a fast multi-pattern substring search algorithm, see instead the aho-corasick crate.


Substring search implementations using x86 architecture features.


Single-byte searcher using memchr for faster matching.


Needle that can be searched for within a haystack. It allows specialized searcher implementations for needle sizes known at compile time.