Count Vowels : String « Data Type « VB.Net Tutorial






Imports System.IO

public class Test
   public Shared Sub Main
        Console.WriteLine("VOWELS COUNTED: " & CountTheVowels("asdffdsaasdf"))
   End Sub
    Private Shared Function CountTheVowels(ByVal strSomeString As String) As Integer

        Dim intCount As Integer = 1
        Dim intTotal As Integer = 0
        Dim intPosition As Integer

        'Loop through the string and count the vowels.
        Do While intCount <= strSomeString.Length
            intPosition = InStr("aeio", strSomeString.Substring(intCount, 1).ToLower)
            If intPosition > 0 Then
                intTotal += 1
            End If
        Loop
        Return intTotal

    End Function
   
   
End class








2.26.String
2.26.1.Declare String Variable and assign value
2.26.2.String.Empty
2.26.3.Demonstrating String class constructors
2.26.4.Join string
2.26.5.Copy characters from string1 into character Array
2.26.6.String Length property
2.26.7.Demonstrating method GetHashCode of class String
2.26.8.Insert sub string by index
2.26.9.Insert method returns the resulting string
2.26.10.SubString
2.26.11.Get string morse code
2.26.12.String operation timing
2.26.13.Change tab to space
2.26.14.ToString
2.26.15.Catch Exception for String.Substring
2.26.16.Count Vowels
2.26.17.Reverse a string
2.26.18.Make a reference copy
2.26.19.Check a Credit card number
2.26.20.Read String value from Keyboard