Question

How to use IndexOf to find substring in a string with VB.NET

Answer 1

Imports System

Public Module Module1
	Public Sub Main()
		Dim str As String = "VB.NET Java C# C"
		
		If str.IndexOf("Java") <> -1 Then
			Console.WriteLine("Found")
		else 
			Console.WriteLine("Not Found")
        End If
	End Sub
End Module



' run
'
' Found
'

 

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Answer 2

Imports System

Public Module Module1
	Public Sub Main()
		Dim str As String = "VB.NET Java C# C"
		Dim pos as Integer = str.IndexOf("Java")
		
		If pos <> -1 Then
			Console.WriteLine("Found at index: " & pos)
		else 
			Console.WriteLine("Not Found")
        End If
	End Sub
End Module



' run
'
' Found at index: 7
'

 

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