


How to Handle Backslashes in C# String Literals and Avoid 'Unrecognized Escape Sequence' Errors?
Jan 05, 2025 am 06:36 AMString Literals in C# with Backslashes: Resolving Unrecognized Escape Sequence Errors
Unrecognized escape sequence errors can occur when dealing with strings in C# that contain backslashes. Let's explore how to resolve this issue.
The code below attempts to define a string with several backslashes, representing a file path:
string foo = "D:\Projects\Some\Kind\Of\Pathproblem\wuhoo.xml";
However, this code triggers a compiler error because backslashes have a special meaning in C# string literals. Specifically, they are used to denote escape sequences for special characters. Therefore, each backslash must be escaped by another backslash.
To escape the backslashes, there are two options:
1. Double Backslashes
The simplest method is to use two backslashes for each backslash in the string. For example:
string foo = "D:\Projects\Some\Kind\Of\Pathproblem\wuhoo.xml";
This ensures that the compiler correctly interprets the backslashes as part of the file path, not as escape sequences.
2. Using the Verbatim String Literal (@)"
An alternative approach is to use the verbatim string literal, denoted by the @ symbol before the string. This method allows you to embed special characters, including backslashes, without the need for escaping. For example:
string foo = @"D:\Projects\Some\Kind\Of\Pathproblem\wuhoo.xml";
Both methods effectively resolve the unrecognized escape sequence error and allow you to define strings with backslashes that represent file paths or other special characters.
The above is the detailed content of How to Handle Backslashes in C# String Literals and Avoid 'Unrecognized Escape Sequence' Errors?. For more information, please follow other related articles on the PHP Chinese website!

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