Visual Basic Codes

Visual Basic > Strings sample source codes

Returns a specific token from a delimited string list.

Returns a specific token from a delimited string list.

' Returns  : [string] "Token" (section of data) from a list of
'            delimited string data
'
' Requires : [string] delimited data,
'            [integer] index of desired section,
'            [string] delimiter (1 or more chars)
'
' Declare  :Function GetToken(ByVal strVal As String, intIndex As Integer, _
'           strDelimiter As String) As String


    Dim strSubString() As String
    Dim intIndex2 As Integer
    Dim i As Integer
    Dim intDelimitLen As Integer

    intIndex2 = 1
    i = 0
    intDelimitLen = Len(strDelimiter)

    Do While intIndex2 > 0
    
        ReDim Preserve strSubString(i + 1)

        intIndex2 = InStr(1, strVal, strDelimiter)

        If intIndex2 > 0 Then
            strSubString(i) = Mid(strVal, 1, (intIndex2 - 1))
            strVal = Mid(strVal, (intIndex2 + intDelimitLen),
Len(strVal))
        Else
            strSubString(i) = strVal
        End If

        i = i + 1

    Loop

    If intIndex > (i + 1) Or intIndex <1 Then GetToken Else GetToken="strSubString(intIndex" 1) End If End Function

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