C# Char GetNumericValue(String, Int32)

Description

Char GetNumericValue(String, Int32) converts the numeric Unicode character at the specified position in a specified string to a double-precision floating point number.

Syntax

Char.GetNumericValue(String, Int32) has the following syntax.

public static double GetNumericValue(
  string s,
  int index
)

Parameters

Char.GetNumericValue(String, Int32) has the following parameters.

• s - A String.
• index - The character position in s.

Returns

Char.GetNumericValue(String, Int32) method returns The numeric value of the character at position index in s if that character represents a number; otherwise, -1.

Example

The following code example demonstrates GetNumericValue.

//  ww  w  .j av a 2  s. co m
using System;

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

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

The code above generates the following result.