<t>It marks the string as a verbatim string literal - anything in the string that would normally be interpreted as an escape sequence is ignored.<br/>
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So "C:\\Users\\Rich" is the same as @"C:\Users\Rich"<br/>
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There is one exception: an escape sequence is needed for the double quote. To escape a double quote, you need to put two double quotes in a row. For instance, @"""" evaluates to ".</t>
