Sub Demo1()
Const F = "TRANSPOSE(IF(ISNUMBER(MATCH(#,{""delphine"",""estelle"",""francine""},0)),ADDRESS(ROW(#),1,4)))"
With Cells(1).CurrentRegion
.Interior.ColorIndex = xlNone
VA = Filter(Evaluate(Replace(F, "#", .Columns(1).Address)), False, False)
If UBound(VA) > -1 Then .Range(Join(VA, ",")).Interior.ColorIndex = 36
End With
End Sub