`.replace(/^0/, _('zero')).replace(/^1/, _('one')).replace(/^2/, _('two')).replace(/^3/, _('three')).replace(/^4/, _('four')).replace(/^5/, _('five')).replace(/^6/, _('six')).replace(/^7/, _('seven')).replace(/^8/, _('eight')).replace(/^9/, _('nine'))`