CODEWITHSUNDEEP
arraysvb.netarraylist
Denmark
Denmark

Reputation: 538

Check If value appears twice in array

I have and array and i want to check if my Dim value is contains in array but i need to check if it appears twice.

Example:

Dim value as String = "AST"

Dim zone_check_list() As String = {"AMST","AST","AST","EET","EDT"}

'if "AST" appeared twice then i will show message box

Upvotes: 0

Views: 825

Answers (1)

har07
har07

Reputation: 89285

How about using LINQ :

Imports System.Linq

Dim value as String = "AST"
Dim zone_check_list() As String = {"AMST","AST","AST","EET","EDT"}
Dim isAppearTwice As Boolean = (zone_check_list.Count(Function(x) x = value) = 2)
Console.WriteLine(isAppearTwice)

Upvotes: 3

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