Imports System
Class Program
Public Shared Sub Main()
Dim quotedPart1 As String = """double-quoted substring1"""
Dim quotedPart2 As String = """double-quoted substring2"""
Dim str As String = $"This is a string with {quotedPart1}, and {quotedPart1} inside."
Console.WriteLine(str)
End Sub
End Class
' run:
'
' This is a string with "double-quoted substring1", and "double-quoted substring1" inside.
'