by Raza Hasnain (2 Submissions)
Category: Databases/Data Access/DAO/ADO
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Wed 28th April 2004
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
Converts strings to its numbered representation in the alphabet, E.G AB to 12, CD to 34 e.t.c
VBcoders
'Use this Numeriser - procedure to pass in a bunch of characters as a string, it will then return a numeric repersentation
'of the alphabet.
Public Function Numeriser(BunchOfCharacters As String)
On Error GoTo err_
Dim IntStrlen, n As Integer
Dim CodedVal, Sts As String
'Declare array
Dim ArrayA()
If IsNull(BunchOfCharacters) = True Then
Exit Function
End If
'Get number of characters in string
IntStrlen = Len(BunchOfCharacters)
'Loop By the number of characters in the Passed STRING
'Set the lenghth of the array to the number of characters in the string
ReDim ArrayA(IntStrlen)
'Loop by the number of characters in the string
For n = 1 To IntStrlen
'Get each character in the string by starting at n position and grabbing the first characater
Sts = Sts & ConvNum(Mid$(BunchOfCharacters, n, 1))
Debug.Print Sts
'Return value
Numeriser = Sts
Next
Exit Function
err_:
MsgBox Err.Description
Err.Clear
End Function
Private Function ConvNum(CharX As Variant)
On Error GoTo err_
Dim strArray
Dim Counterx As Integer
Dim strItem As Variant
Dim intEquivPos As Integer
Dim CharacterX As String
'Clear String vairable
CharacterX = Empty
'Convert all Characters to upper case
CharacterX = UCase(CharX)
'You can more character types in this array
strArray = Array("A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M" _
, "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y" _
, "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0")
'loop through the array
For Each strItem In strArray
'compare characters
If CharacterX = strItem Then
intEquivPos = Counterx + 1
End If
Counterx = Counterx + 1
Next
ConvNum = intEquivPos
Exit Function
err_:
MsgBox Err.Description
Err.Clear
End Function
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