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' Check whether a string starts with one of multiple possible choices.
' Return -1 if no possible string matches the start of the source,
' otherwise return the index of the matching string.
'
' Examples:
'  Debug.WriteLine(StartsWith("This is my test line", True, "this",
' "that")) ' => -1
'  Debug.WriteLine(StartsWith("This is my test line", True, "That",
' "This")) ' => 1
'  Debug.WriteLine(StartsWith("This is my test line", False, "this",
' "that")) ' => 0
'  Debug.WriteLine(StartsWith("This is my test line", False, "That",
' "Those")) ' => -1

Function StartsWith(ByVal source As String, ByVal caseSensitive As Boolean, _
  ByVal ParamArray parts() As String) As Integer
  Dim i As Integer
  For i = 0 To parts.Length - 1
    Dim part As String = parts(i)
    If caseSensitive Then
      If source.StartsWith(part) Then Return i
    Else
      If source.ToLower().StartsWith(part.ToLower()) Then Return i
    End If
  Next
  ' if we get here, the source does not start with one of the possible
  ' choices, so return -1
  Return -1
End Function


Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)

Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )


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