Sub del()
''
    Selection.Find.ClearFormatting
    Selection.Find.Replacement.ClearFormatting
    With Selection.Find
        .Text = "\[*\]"
        .Replacement.Text = ""
        .Forward = True
        .Wrap = wdFindContinue
        .Format = False
        .MatchCase = False
        .MatchWholeWord = False
        .MatchByte = False
        .MatchAllWordForms = False
        .MatchSoundsLike = False
        .MatchWildcards = True
    End With
    Selection.Find.Execute
    With Selection
        If .Find.Forward = True Then
            .Collapse Direction:=wdCollapseStart
        Else
            .Collapse Direction:=wdCollapseEnd
        End If
        .Find.Execute replace:=wdReplaceOne
        If .Find.Forward = True Then
            .Collapse Direction:=wdCollapseEnd
        Else
            .Collapse Direction:=wdCollapseStart
        End If
        .Find.Execute
    End With
End Sub

改良版