Fix i18n regex warning in Ruby 1.8
Fix i18n regex warning in Ruby 1.8

howkj1/liquid,Tiger66639/liquid,ilovezy/liquid,bibio/liquid,mcary/liquid,djreimer/liquid,SOFTPOWER1991/liquid,tdg5/liquid,zhangkuaiji/liquid,ipmobiletech/Shopify-liquid,vietlq/liquid,evulse/liquid,mrmanc/liquid,tim-vandecasteele/liquid,Shopify/liquid,siteleaf/liquid,locomotivecms/liquid,Wirachmat/liquid,illMadeKnight/liquid-1,sideci-sample/sideci-sample-liquid,Richardphp/liquid,knu/liquid,insales/liquid,xiaoliw7/liquid,lastobelus/liquid,PMArtz92/liquid,boobooninja/liquid,bettyblocks/liquid,bluerail/liquid