How to place array elements that have position and value in their specific positions in the string

Mansour_Dalir 1,996 Reputation points
2024-11-11T08:24:37.1333333+00:00

hi. The output of the function is expected to be like this:

Dim Result as String="AAAAA(Word1)BBBBB(Word2)CCCCC(Word3)DDDDD"

Q&A Assist did not have the expected result

   Structure ResultItem
        Public Value As String
        Public Position As Integer
    End Structure

  Sub Test()
       Dim lisResult As New List(Of ResultItem)
        lisResult.Add(New ResultItem With {.Value = "(Word1)", .Position = 5})
        lisResult.Add(New ResultItem With {.Value = "(Word2)", .Position = 10})
        lisResult.Add(New ResultItem With {.Value = "(Word3)", .Position = 15})
  dim MyString as String="AAAAABBBBBCCCCCDDDDD"

  'Need a function with this achievement:
  Dim Result as String="AAAAA(Word1)BBBBB(Word2)CCCCC(Word3)DDDDD"
  End Sub

VB
VB
An object-oriented programming language developed by Microsoft that is implemented on the .NET Framework. Previously known as Visual Basic .NET.
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Accepted answer
  1. Viorel 118.4K Reputation points
    2024-11-11T09:06:02.97+00:00

    Try an adjusted function:

    Function Insert(s As String, results As IReadOnlyList(Of ResultItem)) As String
    
        For Each r In results.OrderByDescending(Function(t) t.Position)
            s = s.Insert(r.Position, r.Value)
        Next
    
        Return s
    
    End Function
    
    1 person found this answer helpful.

1 additional answer

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  1. Q&A Assist
    2024-11-11T08:24:37.1366667+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    To achieve the desired result of inserting elements from an array into specific positions within a string in Visual Basic, you can create a function that constructs the new string based on the positions specified in your ResultItem structure. Here’s an example of how you can implement this:

    Structure ResultItem
        Public Value As String
        Public Position As Integer
    End Structure
    
    Function InsertItems(originalString As String, items As List(Of ResultItem)) As String
        Dim result As New System.Text.StringBuilder(originalString)
    
        ' Sort items by position to avoid issues with shifting indices
        items = items.OrderBy(Function(item) item.Position).ToList()
    
        ' Insert each item at its specified position
        For Each item In items
            result.Insert(item.Position, item.Value)
        Next
    
        Return result.ToString()
    End Function
    
    Sub Test()
        Dim lisResult As New List(Of ResultItem)
        lisResult.Add(New ResultItem With {.Value = "(Word1)", .Position = 5})
        lisResult.Add(New ResultItem With {.Value = "(Word2)", .Position = 10})
        lisResult.Add(New ResultItem With {.Value = "(Word3)", .Position = 15})
    
        Dim MyString As String = "AAAAABBBBBCCCCCDDDDD"
        Dim Result As String = InsertItems(MyString, lisResult)
    
        ' Result will be "AAAAA(Word1)BBBBB(Word2)CCCCC(Word3)DDDDD"
    End Sub
    

    In this code:

    • The InsertItems function takes the original string and a list of ResultItem structures.
    • It uses a StringBuilder to efficiently manipulate the string.
    • The items are sorted by their position to ensure that inserting them does not affect the positions of subsequent items.
    • Finally, it returns the modified string with the inserted values.

    References:

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