Code:
With Selection.Find
.Text = "((wildcard_pattern_here)"
.Replacement.Text = "original text: \1"
.Replacement.Font.Bold = True
.Forward = True
.Wrap = wdFindContinue
.Format = True
.MatchCase = True
.MatchWholeWord = False
.MatchWildcards = True
.MatchSoundsLike = False
.MatchAllWordForms = False
End With
Selection.Find.Execute Replace:=wdReplaceAll