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Write a function to count the number of vowels in a given string.

Utpal Vishwas 359 14 Jun 2023

Write a function to count the number of vowels in a given string.

c# c#stringprograms
Updated 15 Jun 2023
Utpal Vishwas
Utpal Vishwas

Student

I am Utpal Vishwas from Uttar Pradesh. Have completed my B. Tech. course from MNNIT campus Prayagraj in 2022. I have good knowledge of computer networking.

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1 Answers

Aryan Kumar
Aryan Kumar 15 Jun 2023
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Sure, here is the C# code to write a function to count the number of vowels in a given string:

C#

using System;

public class Vowels
{
    public static int CountVowels(string str)
    {
        int vowelCount = 0;
        foreach (char ch in str)
        {
            if (ch == 'a' || ch == 'e' || ch == 'i' || ch == 'o' || ch == 'u')
            {
                vowelCount++;
            }
        }
        return vowelCount;
    }

    public static void Main(string[] args)
    {
        string str = "Hello, world!";
        int vowelCount = CountVowels(str);
        Console.WriteLine("The number of vowels in the string is: {0}", vowelCount);
    }
}

This function first creates a variable called vowelCount and initializes it to 0. Then, it iterates through all the characters in the string. For each character, the function checks if the character is a vowel. If it is, then the function increments the value of vowelCount by 1. Finally, the function returns the value of vowelCount. The Main() method then calls the CountVowels() function to count the number of vowels in the string. The result is then printed to the console.

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