Question

How can brackets be escaped in using string.Format?

For example:

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

This example doesn’t throw an exception, but it outputs the string foo {0}.

Is there a way to escape the brackets?

Answer 1

For you to output foo {1, 2, 3} you have to do something like:

string t = "1, 2, 3"; string v = String.Format(" foo {{{0}}}", t); 

To output a { you use {{ and to output a } you use }}.

Or now, you can also use C# string interpolation like this (a feature available in C# 6.0)

Escaping brackets: String interpolation $(""). It is new feature in C# 6.0.

var inVal = "1, 2, 3"; var outVal = $" foo {{{inVal}}}"; // The output will be:  foo {1, 2, 3}