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Char.IsSymbol Method (Char)

.NET Framework 4.5

Indicates whether the specified Unicode character is categorized as a symbol character.

Namespace: System
Assembly: mscorlib (in mscorlib.dll)

public static bool IsSymbol(
	char c
)

Parameters

c: Type: System.Char
The Unicode character to evaluate.

Return Value

Type: System.Boolean
true if c is a symbol character; otherwise, false.

Remarks

Valid symbols are members of the following categories in UnicodeCategory: MathSymbol, CurrencySymbol, ModifierSymbol, and OtherSymbol.

Symbols in the Unicode standard are a loosely defined set of characters that include the following:

Currency symbols.
Letterlike symbols, which include a set of mathematical alphanumeric symbols, as well as such symbols as ℅, №, and ™.
Number forms, such as subscripts and superscripts.
Mathematical operators and arrows.
Geometric symbols.
Technical symbols.
Braille patterns.
Dingbats.

Examples

The following code example demonstrates IsSymbol.

C++

using System;

public class IsSymbolSample {
	public static void Main() {
		string str = "non-symbolic characters"; 

		Console.WriteLine(Char.IsSymbol('+'));		// Output: "True"
		Console.WriteLine(Char.IsSymbol(str, 8));	// Output: "False"
	}
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

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