Ah, never mind. A slight refinement needed here. AP style only spells out one through nine. 10 and above are written as numerals. So, you'd get 10 tags, not 10

Ah, never mind. A slight refinement needed here. AP style only spells out one through nine. 10 and above are written as numerals. So, you'd get 10 tags, not 100. I think the regex would be: /(?<!\d)\d{1}(?!\d)/