^0 náid
1 aon
2$ dó
2 dhá
3 trí
4 ceathair
5 cúig
6 sé
7 seacht
8 ocht
9 naoi
10 deich
12 dó dhéag
1(\d) $1 déag
(\d)([18]) $(\10) a h$2
2(\d) fiche[ a $1]
3(\d) tríócha[ a $1]
4(\d) ceathracha[ a $1]
# 4(\d) daichead[ a $1] # alternative
5(\d) caoga[ a $1]
6(\d) seasca[ a $1]
([78])(\d) $1ó[ a $2]
9(\d) nócha[ a $1]
(\d)(\d\d) $1 céad[ $2]
(\d{1,3})(\d\d\d) $1 míle[ $2]
(\d{1,3})(\d{6}) $1 milliún$(:\2)$2
(\d{1,3})(\d{9}) $1 billiún$(:\2)$2
(\d{1,3})(\d{12}) $1 trilliún$(:\2)$2

== ordinal ==

# chapter one -> caibidil a haon

([18]) a h$1
(\d|10) a $1
([23]0) $1
([4-9]0) $1dú
([234])(\d) $(ordinal \2) is $(\10)
(\d\d) a $1
(.*) $1

== ordinal-number ==

(.*)	\1.

== help ==

"" |$(1)|, |$(2)|, |$(3)|\n$(help ordinal)$(help ordinal-number)
(.*) \1: |$(\1 1)|, |$(\1 2)|, |$(\1 3)|\n