s i p d o t l e可以组成什么单词?每个单词不重复答:sip, dip, sit, pot, top, tip, pod, lop, lot, pie, doe, lie, led, let, lid, til, ope, ode, dot, dole, dope, dose, spot, spit, step, stile, slope, spied, slide, spilt, split, looped, pelt, plot, poet, silt, slept, sled, sped, pile, pled, polit, sidle...
用b u s h e e p e n c i l e t t e r d o g o a t a l l组成16个单词...答:bus,bush, us, she, sheep, he, pen, I, let, letter, do, dog, go, goat, at, tall, all
js正则 验证 A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y...答:正则表达式如下:^[A-Z](,[A-Z])js示例如下:var a = /^[A-Z](,[A-Z])*$/g;alert(a.test('A,F,C,C,Z'));//true alert(a.test('B,C,'));//false alert(a.test(',X,Z'));//false