On Thu, Mar 2, 2023 at 8:35 PM <avi.e.gr...@gmail.com> wrote: > > It is a well-known fact, Jose, that GIGO. > > The letters "n" and "m" are not interchangeable. Your pattern fails because > you have "pn" in one place and "pm" in the other.
It is not GIGO. pm=project manager. pn=project name. I needed search() rather than match(). > > >>> s = "pn=jose pn=2017" > ... > >>> s0 = r0.match(s) > >>> s0 > <re.Match object; span=(0, 15), match='pn=jose pn=2017'> > > > > -----Original Message----- > From: Python-list <python-list-bounces+avi.e.gross=gmail....@python.org> On > Behalf Of jose isaias cabrera > Sent: Thursday, March 2, 2023 8:07 PM > To: Mats Wichmann <m...@wichmann.us> > Cc: python-list@python.org > Subject: Re: Regular Expression bug? > > On Thu, Mar 2, 2023 at 2:38 PM Mats Wichmann <m...@wichmann.us> wrote: > > > > On 3/2/23 12:28, Chris Angelico wrote: > > > On Fri, 3 Mar 2023 at 06:24, jose isaias cabrera <jic...@gmail.com> > wrote: > > >> > > >> Greetings. > > >> > > >> For the RegExp Gurus, consider the following python3 code: > > >> <code> > > >> import re > > >> s = "pn=align upgrade sd=2023-02-" > > >> ro = re.compile(r"pn=(.+) ") > > >> r0=ro.match(s) > > >>>>> print(r0.group(1)) > > >> align upgrade > > >> </code> > > >> > > >> This is wrong. It should be 'align' because the group only goes up-to > > >> the space. Thoughts? Thanks. > > >> > > > > > > Not a bug. Find the longest possible match that fits this; as long as > > > you can find a space immediately after it, everything in between goes > > > into the .+ part. > > > > > > If you want to exclude spaces, either use [^ ]+ or .+?. > > > > https://docs.python.org/3/howto/regex.html#greedy-versus-non-greedy > > This re is a bit different than the one I am used. So, I am trying to match > everything after 'pn=': > > import re > s = "pm=jose pn=2017" > m0 = r"pn=(.+)" > r0 = re.compile(m0) > s0 = r0.match(s) > >>> print(s0) > None > > Any help is appreciated. > -- > https://mail.python.org/mailman/listinfo/python-list > -- What if eternity is real? Where will you spend it? Hmmmm... -- https://mail.python.org/mailman/listinfo/python-list
