Question

How to match a substring in a string ignoring case in VB.NET

Answer 1

Imports System

Public Class Program
    Public Shared Sub Main(ByVal args As String())
        Dim str As String = "C# C++ PYTHON C JAVA PHP"
		
        Dim substring As String = "python"
		
        Dim result As Boolean = str.ToUpper.Contains(substring.ToUpper) 
		
        Console.WriteLine(result)
    End Sub
End Class

  
  
  
' run:
'
' True
'
 

 

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Answer 2

Imports System

Public Class Program
    Public Shared Sub Main(ByVal args As String())
        Dim str As String = "C# C++ PYTHON C JAVA PHP"
		
        Dim substring As String = "python"
		
		If str.IndexOf(substring, 0, StringComparison.CurrentCultureIgnoreCase) > -1 Then
    		Console.WriteLine("Match")
		Else
			Console.WriteLine("Not match")
		End If
    End Sub
End Class

  
  
  
' run:
'
' Match
'
 

 

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