SecurityElement.Escape(String) Method

Definition

Replaces invalid XML characters in a string with their valid XML equivalent.

C#
public static string? Escape(string? str);
C#
public static string Escape(string str);

Parameters

str
String

The string within which to escape invalid characters.

Returns

The input string with invalid characters replaced.

Examples

The following code shows the use of the Escape method to replace invalid XML characters in a string with their valid XML equivalent. This code example is part of a larger example provided for the SecurityElement class.

C#
tagText = SecurityElement.Escape(tagText);

Remarks

Use this method to replace invalid characters in a string before using the string in a SecurityElement. If invalid characters are used in a SecurityElement without being escaped, an ArgumentException is thrown.

The following table shows the invalid XML characters and their escaped equivalents.

Invalid XML character Replaced with
< &lt;
> &gt;
" &quot;
' &apos;
& &amp;

Applies to

Product Versions
.NET Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 2.0, 2.1