C#

C# Escape Sequences

The objective of this article is to familiarize you with the C# Escape Sequences and C# Verbatim Strings. You will learn different C# escape sequences with an easy to understand examples. Finally, Verbatim identifier with an at-sign (@) to use as an alternative to escape sequences.

C# string literals can include various unprintable control characters, such as tab, newline, or carriage-return. You cannot directly type these as a literal value instead C# escape sequences must be used. An escape sequence is represented by a backslash (\), followed by a specific character that has special meaning to the compiler. For example, “\n” represents a newline in a double-quoted string.

The following table shows some of the widely used escape sequences in C#.

Escape Sequence Meaning
\’ Output a Single quote.
\” Output a double quote.
\\ Output a Backslash.
\n Insert a newline.
\r Insert a carriage-return.
\t Insert a tab.
\0 Insert a null character.
\b Insert a backspace.

C# Escape Sequence Examples

To print a string that contains a newline, the escape character “\n” is used.

string strA = "Hello\nPirzada";
Console.WriteLine(strA);
OUTPUT

Hello
Pirzada

The following example demonstrates file path with the use of “\\” escape characters to escape backslashes “\”

string strA = "C:\\Codebuns\\file.cs";
Console.WriteLine(strA);
OUTPUT

C:\Codebuns\file.cs

If you want to embed quotes into the already quoted literal, you must use escape character backslash-quote (\”) to display them.

string strA = "I am a \"Senior .NET Developer\"."; 
Console.WriteLine(strA);
OUTPUT

I am a “Senior .NET Developer”.

Run Demo

C# Verbatim Strings – @

Try to embed all those double backslashes is annoying and hard to read. To avoid this problem, most developers use an alternate technique called verbatim string literals. You prefix a string literal with an at-sign (@) to create a verbatim string. Adding @ symbol before the string disables the support of escape sequences and a string is interpreted as is.

C# Verbatim String Examples

The following example demonstrates how @ symbol ignores escape characters and print out a string as is.

string strA = @"Hello\nPirzada";
Console.WriteLine(strA);
OUTPUT

Hello\nPirzada

Just use verbatim identifier to split a statement across multiple lines in the source code without the use of “\n” escape character.

string strA = @"Hello
Pirzada";
Console.WriteLine(strA);

The following example demonstrates file path without the use of “\\” escape characters.

string strA = @"C:\Codebuns\file.cs";
Console.WriteLine(strA);
OUTPUT

C:\Codebuns\file.cs

You can directly insert a double quote into a literal string just by doubling the quotes (“”). This will interpret as a single quotation mark ().

string strA = @"I am a ""Senior .NET Developer""."; 
Console.WriteLine(strA);
OUTPUT

I am a “Senior .NET Developer”.

Run Demo

Useful Articles

Sending
User Rating 5 (1 vote)
Tagged in :

Add Comment

Click here to post a comment

Send this to a friend