- 2. 令和{0,}1 #Kanji + full-width number - 3. 令和元 #Kanji + 元年(origin year) - 4. R{0,}1 #Capital R without dot - 5. R.{0, 1} #Captial R with dot - 6. r.{0, 1} #samll r with dot - 7. 2019 #half-width number - 8. 2019 #full-width number - 9. Others (1~8 + some unnecessary characters or spaces may be included) *Needless to say, “平成”(the current Gengo) must be covered