Raku Regex 中单管道和双管道的区别（| Vs ||）
Difference between single pipe and double pipe in Raku Regex (| Vs ||)
Raku 的正则表达式中有两种交替类型：| 和 ||。有什么区别？
say 'foobar' ~~ / foo || foobar / # ｢foo｣
say 'foobar' ~~ / foo | foobar / # ｢foobar｣
|| 是旧的交替行为：尝试从第一个声明到最后一个声明的交替
| try alternation from the longest to the shortest declarative atom. It is called the Longest Token Matching Spec 策略。
say 'foobar' ~~ / foo || foobar / # ｢foo｣ is the first declared
say 'foobar' ~~ / foo | foobar / # ｢foobar｣ is the longest token
更详细的答案在此
Raku 的正则表达式中有两种交替类型：| 和 ||。有什么区别？
say 'foobar' ~~ / foo || foobar / # ｢foo｣
say 'foobar' ~~ / foo | foobar / # ｢foobar｣
|| 是旧的交替行为：尝试从第一个声明到最后一个声明的交替
| try alternation from the longest to the shortest declarative atom. It is called the Longest Token Matching Spec 策略。
say 'foobar' ~~ / foo || foobar / # ｢foo｣ is the first declared
say 'foobar' ~~ / foo | foobar / # ｢foobar｣ is the longest token
更详细的答案在此