Yes, that's what ripgrep does, or similarish. In my initial implementation, I did what you suggested on a standard u64. But bytecount adds SIMD to it (which I d

Yes, that's what ripgrep does, or similarish. In my initial implementation, I did what you suggested on a standard u64. But bytecount adds SIMD to it (which I did not write): https://docs.rs/bytecount https://docs.rs/bytecount I believe GNU grep just uses memchr for this. But I might be mis-remembering.