C# Char IsLetterOrDigit(Char)

Description

Char IsLetterOrDigit(Char) indicates whether the specified Unicode character is categorized as a letter or a decimal digit.

Syntax

Char.IsLetterOrDigit(Char) has the following syntax.

public static bool IsLetterOrDigit(
  char c
)

Parameters

Char.IsLetterOrDigit(Char) has the following parameters.

• c - The Unicode character to evaluate.

Returns

Char.IsLetterOrDigit(Char) method returns true if c is a letter or a decimal digit; otherwise, false.

Example

The following code example demonstrates IsLetterOrDigit.

//from w w  w  .  j a  v  a  2 s.com
using System;

public class MainClass {
  public static void Main() {

    Console.WriteLine(Char.IsLetterOrDigit('8'));    // Output: "True"

  }
}

The code above generates the following result.