我正在阅读关于此链接上oracle的文档页面上的量词
https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html
Greedy quantifiers
X? X, once or not at all
X* X, zero or more times
X+ X, one or more times
X{n} X, exactly n times
X{n,} X, at least n times
X{n,m} X, at least n but not more than m times
Reluctant quantifiers
X?? X, once or not at all
X*? X, zero or more times
X+? X, one or more times
X{n}? X, exactly n times
X{n,}? X, at least n times
X{n,m}? X, at least n but not more than m times
Possessive quantifiers
X?+ X, once or not at all
X*+ X, zero or more times
X++ X, one or more times
X{n}+ X, exactly n times
X{n,}+ X, at least n times
X{n,m}+ X, at least n but not more than m times
我无法理解为什么这些东西的匹配相同？ 即使他们分成不同的群体。
我甚至尝试过运行它们，并为每个人获得完全相同的东西。
所以问题是为什么？