C# encode special characters in string

This article provides an introduction to character encoding systems that are used by .NET. The article explains how the String, Char, Rune, and StringInfo types work with Unicode, UTF-16, and UTF-8.

The term character is used here in the general sense of what a reader perceives as a single display element.

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Common examples are the letter "a", the symbol "@", and the emoji "🐂". Sometimes what looks like one character is actually composed of multiple independent display elements, as the section on grapheme clusters explains.

The string and char types

An instance of the string class represents some text.

A is logically a sequence of 16-bit values, each of which is an instance of the char struct. The string.Length property returns the number of instances in the instance.

The following sample function prints out the values in hexadecimal notation of all the instances in a :

Pass the string "Hello" to this function, and you get the following output:

Each character is represented by a single value.

That pattern holds true for most of the world's lang

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