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12,192 questions

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How to check if a string contain only three same repeating characters in VB.NET

1 Answer

0 votes
Imports System
                  
Public Module Module1
    Function contain_only_three_same_repeating_chars(s As String) As Boolean
        Dim len As Integer = s.Length
         
        if (len Mod 3 <> 0) Then return false
        For i As Integer = 0 To len - 4 
            If (s(i) <> s(i + 3)) Then return false
        Next
        
        return true  
    End Function
              
    Public Sub Main()
        Dim s As String = "vbnvbnvbnvbnvbnvbnvbn"
         
        If (contain_only_three_same_repeating_chars(s)) Then
            Console.WriteLine("Yes")
        else
            Console.WriteLine("No")
        End If
    End Sub
End Module
          
          
          
' Run
'
' Yes
'

 




answered Jan 9 by avibootz
edited Jan 9 by avibootz
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