How Do I Create Multiline String Literals in C#?

Multiline string literals in C#

C# provides a convenient multi-line string literal syntax, which is implemented using the "@" symbol. This syntax allows developers to define strings that span multiple lines without escaping special characters, simplifying string operations.

Similar to PHP's HEREDOC syntax, C#'s verbatim string literals provide a convenient way to define multiline strings. For example:

<code class="language-csharp">string query = @"SELECT foo, bar
FROM table
WHERE id = 42";</code>

Using the "@" symbol, you can create multi-line strings without manually concatenating them or using newlines. Verbatim string literals preserve whitespace and newline characters that appear in the code.

Additionally, verbatim strings have the advantage of not needing to escape special characters such as double quotes. However, if you need to include double quotes in a string, you must escape them using backslash "". This prevents the compiler from interpreting the double quote as the end of the string literal.

Using verbatim string literals not only simplifies string operations, but also improves code readability, making it easier to handle complex multi-line strings. They are useful for scenarios involving SQL queries, XML documents, or any other situation where line breaks need to be preserved and character escapes avoided.

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