Sub Test()
Dim oRng As range
    Set oRng = selection.range
    With oRng.Find
        .ClearFormatting
        .Replacement.ClearFormatting
        .text = "Y[! ]@" & Chr(13)
        .Format = False
        .Forward = True
        .MatchWildcards = True
        .Wrap = wdFindStop
        .MatchAllWordForms = False
        .MatchSoundsLike = False
        If .Execute Then oRng.Select
    End With
 Set oRng = Nothing
End Sub