The title says it all: how would you manipulate strings in C# without the system libraries? I got this question recently in an interview and I've been stumped by it since. It's one of those things ...

Take advantage of the ReadOnlySpan<char> struct in C# to split strings in a resource-efficient manner.

Take advantage of the GZip and Brotli compression methods to reduce the size of string data and improve performance in your .NET Core applications.