How to split a string by x amount of characters

Question

I have a program where a user enters a list of numbers in the form of a string. This list of numbers is always a multiple of 8.

So the list can contain 8, 16, 32, 40

Answer 1

You could use a For loop and Substring:

Dim strings As New List(Of String)

For i As Integer = 0 To Me.txtInput.Text.Length - 1 Step 8
    strings.Add(Me.txtInput.Text.Substring(i, 8))
Next

To convert the strings list to an array (if you really need one) you can use strings.ToArray().

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Also, you could use regular expressions and LINQ for a fancy one-liner:

Text.RegularExpressions.Regex.Matches(Me.txtInput.Text, ".{8}").Select(Function(x) x.Value)