Sub fourFiveDigit()
With ActiveDocument.Content.Find
.ClearFormatting
.Replacement.ClearFormatting
.Text = "<[0-9],[0-9]{3}>"
.MatchWildcards = True
.Replacement.Text = ""
.Replacement.highlight = True
.Execute Replace:=wdReplaceAll
End With
With ActiveDocument.Content.Find
.ClearFormatting
.Replacement.ClearFormatting
.Text = "<[0-9]{4,}>"
.MatchWildcards = True
.Replacement.Text = ""
.Replacement.highlight = True
.Execute Replace:=wdReplaceAll
End With
End Sub