Index was outside the bounds of the array. TextChanged

        initials = New String(word.Split(" "c).Select(Function(f) f(0)).ToArray).ToUpper()

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 For Each ch As Char In word
            
                If Not Char.IsWhiteSpace(ch) Then
                    intCount += 1
               
            End If

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I am using function TextChanged, this problem works with a button but when typeing the text when I get to a space I get and error from initials
Index was outside the bounds of the array.
with my above example how can this be fixed.
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Seven priceFull StackAsked:
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Mike TomlinsonMiddle School Assistant TeacherCommented:
Try this out instead:
initials = String.Join("", word.Split(" ").Select(Function(f) If(f.Length = 0, "", f.Substring(0, 1).ToUpper)).ToArray)

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Seven priceFull StackAuthor Commented:
Great, thanks
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