Salut Killsa,
en supposant que ta colonne 'azerty' soit la colonne A...
A adapter à ta réalité!
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
'
Dim azerty, rCel As Range
Dim iRow, iFlag As Integer
'
iRow = Range("A" & Rows.Count).End(xlUp).Row
Set azerty = Range("A1:A" & iRow)
'
For Each rCel In azerty
If rCel.Value Like ("zzz") Then iFlag = iFlag + 1
Next
MsgBox iFlag
'
End Sub
A+