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Char.IsSymbol Method (String, Int32)

Indicates whether the character at the specified position in a specified string is categorized as a symbol character.

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

public static bool IsSymbol (
	string s,
	int index
)
public static boolean IsSymbol (
	String s, 
	int index
)
public static function IsSymbol (
	s : String, 
	index : int
) : boolean

Parameters

s

A string.

index

The character position in s.

Return Value

true if the character at position index in s is a symbol character; otherwise, false.

Exception typeCondition

ArgumentNullException

s is a null reference (Nothing in Visual Basic).

ArgumentOutOfRangeException

index is less than zero or greater than the last position in s.

Character positions in a string are indexed starting from zero.

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

The following code example demonstrates IsSymbol.

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"
	}
}

import System.*;

public class IsSymbolSample 
{
    public static void main(String[] args)
    {
        String str = "non-symbolic characters";
      
        Console.WriteLine(Char.IsSymbol('+'));        // Output: "True"
        Console.WriteLine(Char.IsSymbol(str, 8));    // Output: "False"
    } //main
} //IsSymbolSample 

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0

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