Sub Demo()
Application.ScreenUpdating = False
With ActiveDocument.Range
  With .Find
    .ClearFormatting
    .Replacement.ClearFormatting
    .Text = "[A-Z]{3} [0-9]{2}-[0-9]{3},[!^13]@[0-9]{4}^13"
    .Replacement.Text = ""
    .Forward = True
    .Wrap = wdFindStop
    .Format = False
    .MatchWildcards = True
    .Execute
  End With
  Do While .Find.Found
    With .Duplicate
      .End = .Start + InStr(.Text, ",") - 1
      .Style = "Strong"
    End With
    With .Duplicate
      .End = .Start + InStrRev(.Text, ",") - 1
      .Start = .Start + InStrRev(.Text, ",")
      .Style = "Emphasis"
    End With
    .Collapse wdCollapseEnd
    .Find.Execute
  Loop
End With
Application.ScreenUpdating = True
End Sub