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 String.Create to create strings with no allocation overhead and improve the performance of your .NET 6 applications.

A small update for strings in C# 11 is the ability to quickly specify a string literal as UTF-8 encoded, instead of the .NET default UTF-16 encoding, adding a u8 suffix to it.

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