On Thu, 2016-05-05 at 10:31 -0700, Samuel Sieb wrote: > On 05/05/2016 10:11 AM, Rick Stevens wrote: > > > > On 05/05/2016 08:56 AM, Samuel Sieb wrote: > > > > > > On 05/05/2016 03:35 AM, Ian Malone wrote: > > > > > > > > On 5 May 2016 at 10:27, Patrick O'Callaghan <pocallaghan@gmail. > > > > com> > > > > wrote: > > > > > > > > > > On Wed, 2016-05-04 at 16:24 -0700, Samuel Sieb wrote: > > > > > > > > > > > > Oh, right. I never use a regexp that can match nothing, so > > > > > > I missed > > > > > > that. :-) > > > > > You never use '*'? > > > > > > > > > I guess he meant "match *only* nothing", most of the time using > > > > * > > > > you'll still use it in combination with a non-empty pattern. > > > > Easy to > > > > miss that only [something]* can match nothing and therefore > > > > first > > > > matches at the start of the line. > > > > > > > Yes, that's what I meant. I can't imagine where that would even > > > be > > > useful. > > How about looking for "something[0-9]*" so it would match > > "something" or > > "something0" or "something99". "*" can be useful, you just have to > > be > > careful. > See, it's such an odd thing to do that people don't understand it. :- > ) > It's not about using *, I certainly do use that. It's about making > a > regexp that can match the empty string. I fail to see what's odd about it. When you match something with an optional part it's completely normal. poc -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: http://lists.fedoraproject.org/admin/lists/users@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
