Question

How to compare two strings ignoring case in VB.NET

Answer 1

Imports System
 
Public Class CompareCaseInsensitiveString_VB_NET
    Public Shared Sub Main(ByVal args As String())
        Dim s1 As String = "c# vb JAVA", s2 As String = "C# VB java"
 
        If s1.IndexOf(s2, StringComparison.OrdinalIgnoreCase) >= 0 Then
            Console.WriteLine("Equal")
        Else
            Console.WriteLine("Not Equal")
        End If
    End Sub
End Class




' run:
'
' Equal
'

 

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Answer 2

Imports System
Imports System.Text.RegularExpressions

Public Class CompareCaseInsensitiveString_VB_NET
	Public Shared Sub Main(ByVal args As String())
        Dim s1 As String = "c# vb JAVA", s2 As String = "C# VB java"
        Dim b As Boolean = Regex.IsMatch(s2, s1, RegexOptions.IgnoreCase)

        If b Then
            Console.WriteLine("Equal")
        Else
            Console.WriteLine("Not Equal")
        End If
    End Sub
End Class




' run:
'
' Equal
'

 

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