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Uri.IsHexDigit() Method in C#
The Uri.IsHexDigit() method in C# determines whether a specified character is a valid hexadecimal digit.
Syntax
Following is the syntax −
public static bool IsHexDigit (char ch);
Above, the parameter ch is the character to validate.
Example
Let us now see an example to implement the Uri.IsHexDigit() method −
using System; public class Demo { public static void Main(){ char ch = 'e'; Console.WriteLine("Character value = "+ch); int res = Uri.FromHex(ch); Console.WriteLine("Converted int value = "+res); if(Uri.IsHexDigit(ch)) { Console.WriteLine("Valid hexadecimal digit"); } else { Console.WriteLine("Invalid hexadecimal digit"); } } }
Output
This will produce the following output −
Character value = e Converted int value = 14 Valid hexadecimal digit
Example
Let us now see another example to implement the Uri.IsHexDigit() method −
using System; public class Demo { public static void Main(){ char ch = '#'; Console.WriteLine("Character value = "+ch); if(Uri.IsHexDigit(ch)) { Console.WriteLine("Valid hexadecimal digit"); } else { Console.WriteLine("Invalid hexadecimal digit"); } } }
Output
This will produce the following output −
Character value = # Invalid hexadecimal digit
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