如何在第一個“（”

Question

所以我想首先分割我的變量（在變量中。我的代碼目前看起來像這樣，但是不起作用。

var word = "pc and (laptop or test)";
var split = word.split(/((.+)/);

'split'的值= [ '', 'pc and (communication or (test and test2))', '' ]

所需結果： ['pc and ', ' communication or (test and test2))']

Answer 1

最簡單的方法是獲取字符的索引並對字符串進行切片。

 var word = "pc and (laptop or test) (or something other)", index = word.indexOf('('), split = index == -1 ? [word] : [word.slice(0, index), word.slice(index + 1)] console.log(split);