monoandroid 
namespace System.Text.Unicode
{
    public static class Utf8
    {
        public static bool IsValid(ReadOnlySpan<byte> value);
    }
}
nuget.org
0.2 %
Reference this API
Design Reviews
.NET
5.06.07.08.09.011.0
.NET Core
2.02.12.23.03.1
.NET Framework
4.6.14.6.24.74.7.14.7.24.84.8.1
.NET Standard
2.02.1
Information specific to monoandroid
Assembly

Microsoft.Bcl.Memory , Version=11.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Your project needs a package reference to Microsoft.Bcl.Memory.

Package Microsoft.Bcl.Memory (11.0.0) netstandard2.1
Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API