How to escape braces (curly brackets) in a format string in .NET

Question

How can brackets be escaped in using string.Format.

For example:

String val = \"1,2,3\"
String.Format(\" foo {{0}}\", val); 
         


        

Answer 1

or you can use c# string interpolation like this (feature available in C# 6.0)

var value = "1, 2, 3";
var output = $" foo {{{value}}}";