linw

摘要： 无标题文档最大匹配模式X? X, once or not at allX* X, zero or more timesX+ X, one or more timesX{n} X, exactly n timesX{n,} X, at least n timesX{n,m} X, at least n but not more than m times最小匹配模式X?? X, once or not at allX*? X, zero or more timesX+? X, one or more timesX{n}? X, exactly n timesX{n,}? X, at least n 阅读全文