Below you'll find the source for the Visual Basic 6 function CountChars.
Attribute VB_Name = "modCountChars"
' This function is downloaded from:
' http://www.stefanthoolen.nl/archive/vb6-functions/
'
' You may freely distribute this file but please leave all comments, including this one, in it.
'
' @Author Stefan Thoolen <mail@stefanthoolen.nl>
Option Explicit
''
' Counts how many a character occures in a string
' @param String txt The text to search in
' @param String search The text to count
' @return Integer The amount of search in txt
' @author Stefan Thoolen <mail@stefanthoolen.nl>
Public Function CountChars(ByVal txt As String, ByVal search As String) As Integer
Dim arr() As String
arr = Split(txt, search)
CountChars = UBound(arr) - LBound(arr)
End Function