How to Joint elements from within the array with specified Step and the array result LINQ

Question

hi

Dim ByStep as integer=3

Dim MyArray as Integer()={2,5,4,0,0,4,24,6,5,2,5}

need Result As String()={"254","004","2465","25"}

Accepted Answer

Maybe like this:

Dim Result As String() =
    MyArray.
        Select(Function(v, i) New With {i, v}).
        GroupBy(Function(p) p.i \ 3).
        Select(Function(g) String.Concat(g.OrderBy(Function(p) p.i).Select(Function(p) p.v.ToString))).
        ToArray()

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How to Joint elements from within the array with specified Step and the array result LINQ

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