C# Program to count vowels in a string

CsharpServer Side ProgrammingProgramming

You need to check for both the vowels and consonants, but do not forget to check for both the uppercase as well lowercase.

For counting vowels, check for “aeiou” characters separately i.e.

if (myStr[i] == 'a' || myStr[i] == 'e' || myStr[i] == 'i' || myStr[i] == 'o' || myStr[i] == 'u' || myStr[i] == 'A' || myStr[i] == 'E' || myStr[i] == 'I' || myStr[i] == 'O' || myStr[i] == 'U') {
   vowel_count++;
}

Example

The following is the code to count the number of Vowels in a string.

Live Demo

using System;
public class Demo {
   public static void Main() {
      string myStr;
      int i, len, vowel_count, cons_count;
      myStr = "Avengers";
      vowel_count = 0;
      cons_count = 0;
      // find length
      len = myStr.Length;
      for(i=0; i<len; i++) {
         if(myStr[i] =='a' || myStr[i]=='e' || myStr[i]=='i' || myStr[i]=='o' || myStr[i]=='u' || myStr[i]=='A' || myStr[i]=='E' || myStr[i]=='I' || myStr[i]=='O' || myStr[i]=='U') {
            vowel_count++;
         } else {
            cons_count++;
         }
      }
      Console.Write("
Vowels in the string: {0}
", vowel_count);    } }

Output

Vowels in the string: 3
raja
Updated on 19-Jun-2020 11:25:55

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