如何用替换箭头替换列表第二级上的逗号?用箭头替换列表中的逗号 - >
例如,这样的:
{{a, girl}, {b, girl}, {c, girl}, {e, girl}, {g, girl}}
要这样:
{{a->girl}, {b->girl}, {c->girl}, {e->girl}, {g->girl}}
Replace
不起作用,因为它认为逗号不应该存在。把它放在引号不工作,也不StringReplace
我觉得应该是:
Replace[list, "," -> "->", {2}]
该OP要求结果与子列表... – 2010-12-23 03:39:59
哎呀,谢谢!然后这样做:`List/@ Rule @@@ {{a,girl},{b,girl},{c,girl},{e,girl},{g,girl}}` – 2010-12-24 17:37:18