Installation

dotnet add package StringZilla

The package targets .NET 8+ (net8.0) and is NativeAOT- and trimming-compatible. Native libraries for win-x64, linux-x64, osx-arm64, and more are bundled in the package.

using StringZilla;

ReadOnlySpan<byte> text = "the quick brown fox"u8;
long position = Sz.IndexOf(text, "brown"u8); // first match, as a UTF-8 byte offset
ulong digest = Sz.Hash(text);                // fast 64-bit AES hash

All offsets are UTF-8 byte offsets, not UTF-16 char indices. The zero-copy surface is ReadOnlySpan<byte>; string overloads transcode and are a convenience, not the fast path. Buffer-filling operations write into a caller-provided Span<T> and return a count, so steady-state usage allocates nothing.