我得到了这个问题,要求我弄清楚"Why is it foolish to write a regular expression for the language that consists of strings of 0's and 1's that are palindromes?"
(他们前后阅读相同)。
问题的第 2 部分说"using any formal mechanism of your choice, show how it is possible to express the language that consists of strings of 0's and 1's that are palindromes."