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White space/Empty String trim function, for Arraylist class

/ Published in: VB.NET
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I don\\\'t know if exist a easier way to do this. For me, works fine. =)

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  1. Sub ClearArray(ByVal lst As ArrayList)
  2.         Dim flag As Boolean = False
  3.  
  4.         For x As Integer = 0 To lst.Count - 1
  5.             If x > lst.Count - 1 Then
  6.                 flag = True
  7.             End If
  8.  
  9.             If x = lst.Count Then
  10.                 Exit For
  11.             End If
  12.  
  13.             If String.IsNullOrEmpty(lst(x)) Or Regex.IsMatch(lst(x), "[\s]+") Then
  14.                 lst.RemoveAt(x)
  15.                 If Not flag Then
  16.                     x = x - 1
  17.                 Else
  18.                     x = x + 1
  19.                 End If
  20.             End If
  21.         Next
  22.     End Sub

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