C# Char IsNumber(Char)

Description

Char IsNumber(Char) indicates whether the specified Unicode character is categorized as a number.

Syntax

Char.IsNumber(Char) has the following syntax.

public static bool IsNumber(
  char c
)

Parameters

Char.IsNumber(Char) has the following parameters.

• c - The Unicode character to evaluate.

Returns

Char.IsNumber(Char) method returns true if c is a number; otherwise, false.

Example

The following example demonstrates IsNumber.

//from  www  .j a  v  a2  s . c o  m
using System;

public class MainClass {
  public static void Main() {
    string str = "non-numeric";

    Console.WriteLine(Char.IsNumber(str, 3));  // Output: "False"
  }
}

The code above generates the following result.