C# Char GetNumericValue(Char)

Description

Char GetNumericValue(Char) converts the specified numeric Unicode character to a double-precision floating point number.

Syntax

Char.GetNumericValue(Char) has the following syntax.

public static double GetNumericValue(
  char c
)

Parameters

Char.GetNumericValue(Char) has the following parameters.

• c - The Unicode character to convert.

Returns

Char.GetNumericValue(Char) method returns The numeric value of c if that character represents a number; otherwise, -1.0.

Example

The following example demonstrates GetNumericValue.

/*w  ww  .ja  v a2 s.c  o m*/
using System;

public class MainClass {
  public static void Main() {
    string str = "input: 1";

    Console.WriteLine(Char.GetNumericValue('8'));    // Output: "8"
    Console.WriteLine(Char.GetNumericValue(str, 7));  // Output: "1"
  }
}

The code above generates the following result.