Check if a list of strings contains a value

Question

I have:

Public lsAuthors As List(Of String)

I want to add values to this list, but before adding I need to check if the exact value is alre

Answer 1

You can get a list of matching items of your condition like this:

Dim lsAuthors As List(Of String)

Dim ResultData As String = lsAuthors.FirstOrDefault(Function(name) name.ToUpper().Contains(SearchFor.ToUpper()))
If ResultData <> String.Empty Then
    ' Item found
Else
    ' Item Not found
End If