go无法编译这个正则表达式吗？

rules: adjective: fu' ful sser ss ffer ff ller ll ler le pler ple CCer C ier y wer w CVCer CVCe VRCer VRCe eer ee er ssest ss ffest ff llest ll plest ple CCest C iest y west w CVCest CVCe VRCest VRCe eest ee est adverb: bly ble ily y ly verb: >1 ches ch ches che shes sh sses ss ffest ff <5 llest ll ssest ss CCest C cest ce gest ge Vthest Vthe VVlest VVl rlest rl wlest wl lest le enest en onest on erest er sest se iatest iate itest it vest ve west w xest x zest ze uVCest uVCe CVCest CVCe Crest Cer est eeth ee ffeth ff <5 lleth ll sseth ss CCeth C ceth ce geth ge Vtheth Vthe VVleth VVl rleth rl wleth wl leth le eneth en oneth on ereth er seth se iateth iate iteth it veth ve weth w xeth x zeth ze uVCeth uVCe CVCeth CVCe Creth Cer eth >1 ies y xes x ss ss! s went go tred tre ead ead >1 ied y yed y Ved Ve ffed ff <4 lled ll ssed ss CCed C ced ce ged ge Vthed Vthe VVled VVl rled rl wled wl led le ened en oned on + ored ore ored or + ered ere ered er sed se iated iate ited it ved ve wed w xed x zed ze uVCed uVCe CVCed CVCe ed aid ay fell fall gone go iven ve wn w ffing ff <4 lling ll ssing ss CCing C cing ce nging ng ging ge Vthing the rling rl wling wl VVling VVl Vling Vl ling le ening en oning on + oring ore oring or + ering ere ering er sing se iating iate iting it uing ue ving ve wing w xing x >1 ying y ying ie zing ze uVCing uVCe CVCing CVCe >1 -ing >1 ing ffin' ff <4 llin' ll ssin' ss CCin' C cin' ce ngin' ng gin' ge Vthin' the rlin' rl wlin' wl VVlin' VVl lin' le enin' en onin' on + orin' ore orin' or + erin' ere erin' er sin' se iatin' iate itin' it uin' ue vin' ve win' w xin' x >1 yin' y yin' ie zin' ze uVCin' uVCe CVCin' CVCe >1 in' 'st n't noun: men man ches che shes sh >1 ies y sses ss xes x 's s' s s ' noun-possessive: 's s' s '

改成： `([^aeiouy])$1` 试试 go 用的正则跟其他的有些不太一样，参见文档：http://docs.studygolang.com/pkg/regexp/

试过了，不行啊。