Steven D'Aprano writes: > On Fri, 6 May 2016 03:49 am, Jussi Piitulainen wrote: > >> Steven D'Aprano writes: >> >>> I get something like this: >>> >>> r"(^[A-Z]+$)|(^([A-Z]+[ ]*\&[ ]*[A-Z]+)+$)" >>> >>> >>> but it fails on strings like "AA & A & A". What am I doing wrong? >> >> It cannot split the string as (LETTERS & LETTERS)(LETTERS & LETTERS) >> when the middle part is just one LETTER. That's something of a >> misanalysis anyway. I notice that the correct pattern has already been >> posted at least thrice and you have acknowledged one of them. > > Thrice? I've seen Peter's response (he made the trivial and obvious > simplification of just using A instead of [A-Z], but that was easy to > understand), and Random832 almost got it, missing only that you need to > match the entire string, not just a substring. If there was a third > response, I missed it.
I think I saw another. I may be mistaken. Random832's pattern is fine. You need to use re.fullmatch with it. . . -- https://mail.python.org/mailman/listinfo/python-list
