摘要: ABABC ^([1-9])(?!\1)([0-9])\1\2(?!\1|\2)([0-9])$ABCAB ^([1-9])(?!\1)([0-9])(?!\1|\2)([0-9])\1\2$ABABA ^([1-9])(?!\1)([0-9])\1\2\1$ABCCC ^([1-9])(?!\1) 阅读全文
posted @ 2022-05-27 14:24 数学与IT 阅读(398) 评论(0) 推荐(0) 编辑