分体式b字串

Question

我试着用preg_nusplit来分割这段文字

Yes, it was great. [I have no ideas how great it was.]

进入此数组：

^{pr2}$

但我不知道怎么。。。在

Answer 1

$keywords = preg_split("/[\s,.]+(?![^[]*])/", "Yes, it was great. [I have no ideas how great it was.]");
print_r($keywords);