1# $FreeBSD$ 2 3v=XaaaXbbbX 4[ "${v\ 5#\ 6*\ 7a}.${v\ 8#\ 9#\ 10*\ 11a}.${v\ 12%\ 13b\ 14*}.${v\ 15%\ 16%\ 17b\ 18*}" = aaXbbbX.XbbbX.XaaaXbb.XaaaX ] 19