C# Uri IsHexDigit

Description

Uri IsHexDigit determines whether a specified character is a valid hexadecimal digit.

Syntax

Uri.IsHexDigit has the following syntax.

public static bool IsHexDigit(
  char character
)

Parameters

Uri.IsHexDigit has the following parameters.

• character - The character to validate.

Returns

Uri.IsHexDigit method returns A Boolean value that is true if the character is a valid hexadecimal digit; otherwise false.

Example

The following example determines whether a character is a hexadecimal character and, if it is, writes the corresponding decimal value to the console.

/* www.  ja  v a2s. c  om*/
using System;
public class MainClass{
  public static void Main(String[] argv){  
    char  testChar = 'e';
    if (Uri.IsHexDigit(testChar) == true)
        Console.WriteLine("'{0}' is the hexadecimal representation of {1}", testChar, Uri.FromHex(testChar));
    else 
        Console.WriteLine("'{0}' is not a hexadecimal character", testChar);

  }
}
    

The code above generates the following result.