Question

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What's the @ in front of a string for .NET?
when to use @ in c#?

I’m quite new at C# programming and, in many examples, in particular at MSDN, the following code piece appears quite frequently:

string NewString = @”Hello World”;

I’m quite curious about what’s the effect of the @ signal used in this code… is by any chance different than

string NewString = “Hello World”;

Answer 1

The @ introduces a raw string, which isn’t preprocessed for escape sequences, such as \t. It is very convenient for regular expressions, which almost always include backslashes.