<PackageReference Include="System.Text.Json" Version="11.0.0-preview.2.26159.112" />

System.Buffers.SearchValues

static class SearchValues
namespace System.Buffers { internal static class SearchValues { public static System.Buffers.SearchValues<char> Create(string values); public static System.Buffers.SearchValues<char> Create(ReadOnlySpan<char> values); public static int IndexOfAny(this ReadOnlySpan<char> span, System.Buffers.SearchValues<char> values); public static int IndexOfAnyExcept(this ReadOnlySpan<char> span, System.Buffers.SearchValues<char> values); public static bool ContainsAny(this ReadOnlySpan<char> span, System.Buffers.SearchValues<char> values); public static bool ContainsAnyExcept(this ReadOnlySpan<char> span, System.Buffers.SearchValues<char> values); } }