Javascript 在单个分隔符出现时拆分
我有像Javascript 在单个分隔符出现时拆分,javascript,Javascript,我有像 A_B_C_D A_B___C_D 其中\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu 在任何一个\uuu而不是\uu处拆分它们的最简单方法是什么 >>> "A_B_C_D".match(/(?:[^_]|_{2,})+/g) ["A", "B", "C", "D"] >>> "A_B___C_D".match(/(?:[^_]|_{2,})+/g) ["
A_B_C_D
A_B___C_D
其中\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
在任何一个\uuu
而不是\uu
处拆分它们的最简单方法是什么
>>> "A_B_C_D".match(/(?:[^_]|_{2,})+/g)
["A", "B", "C", "D"]
>>> "A_B___C_D".match(/(?:[^_]|_{2,})+/g)
["A", "B___C", "D"]
我们没有找到分隔符,而是找到了组件本身。请注意,字符串必须是非\u
(因为分隔符是\u
)或多个\u
。所以匹配它们的正则表达式就是这样
请注意,如果输入以\
开始或结束,则此正则表达式将忽略空字符串(例如“\u a\u”
将只返回[“a”]
),因此当它包含\\u\u
时,结果是什么样子?由于生成了键,这是不可能的。