Question

How to replace a character in string by index in VB.NET

Answer 1

Imports System
				
Public Module Module1
	Public Sub Main()
		Dim s AS String = "abcd"

		s = s.Remove(2, 1).Insert(2, "x")
    
        Console.WriteLine(s)
	End Sub
	
End Module


' run:

' abxd

 

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Answer 2

Imports System
				
Public Module Module1
	Public Sub Main()
		Dim s AS String = "abcd"

		Mid(s, 3, 1) = "y"
    
        Console.WriteLine(s)
	End Sub
	
End Module


' run:

' abyd

 

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