Question

How to get all substrings of a string with VB.NET

Answer 1

Imports System
 
Public Class Test
    Public Shared Sub Main()
        Dim s As String = "abcd"
             
        For i As Integer = 0 To s.Length
            For j As Integer = i + 1 To s.Length
                Console.Write(s.Substring(i, j - i) & " ")
            Next
        Next
    End Sub
End Class
  

  
  
' run:
' 
' a ab abc abcd b bc bcd c cd d
'

 

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Answer 2

Imports System
Imports System.Text

Public Class Program
	Public Shared Sub Main()
        Dim s As String = "abcd"

        For i As Integer = 0 To s.Length - 1
            Dim sb As StringBuilder = New StringBuilder(s.Length - i)

            For j As Integer = i To s.Length - 1
                sb.Append(s(j))
                Console.Write(sb)
				Console.Write(" ")
            Next
        Next
    End Sub
End Class




' run:
'
' a ab abc abcd b bc bcd c cd d
'

 

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