正则问题求助

Question

求助一个正则写法,如下

str1 = "小米;Redmi 6.2,Xiaomi 6.2,Redmi 7.5|华为;Mate 40 pro,P40,Mate 30"
str2 = "小米;Redmi 6,Xiaomi 6,Redmi 7.0"
提取出上面两个字符串中的小米和华为:
 str1 => 小米;华为  
 str2 => 小米

Answer 1

str1 = "小米;Redmi 6.2,Xiaomi 6.2,Redmi 7.5|华为;Mate 40 pro,P40,Mate 30"
str2 = "小米;Redmi 6,Xiaomi 6,Redmi 7.0"
str1.match(/([^|]+?)(?=;)/g);
str2.match(/([^|]+?)(?=;)/g);

Answer 2

`小米;Redmi 6.2,Xiaomi 6.2,Redmi 7.5|华为;Mate 40 pro,P40,Mate 30
小米;Redmi 6,Xiaomi 6,Redmi 7.0`.match(/(?<=\||^|\n)(.*?)(?=\;)/g);