Question

How to check whether a string is a palindrome, ignoring spaces and case in VB.NET

Answer 1

Imports System
Imports System.Text.RegularExpressions

Class Program
	Public Shared Function IsPalindrome(ByVal str As String) As Boolean
        Dim normalizedStr As String = Regex.Replace(str, "\s+", "").ToLower()
        
		Dim reversedArr As Char() = normalizedStr.ToCharArray()
		Array.Reverse(reversedArr)
        Dim reversedStr As String = New String(reversedArr)
		
        Return normalizedStr = reversedStr
    End Function

    Public Shared Sub Main()
        Console.WriteLine($"Is palindrome: {IsPalindrome("A man a plan a canal Panama")}")
        Console.WriteLine($"Is palindrome: {IsPalindrome("abcDefg")}")
    End Sub
End Class



' run:
'
' Is palindrome: True
' Is palindrome: False
'

 

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