On Thu, May 05, 2016 at 08:56:51AM -0700, Samuel Sieb wrote: > On 05/05/2016 03:35 AM, Ian Malone wrote: > > On 5 May 2016 at 10:27, Patrick O'Callaghan <pocallag...@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.
Maybe not useful, but fun: $ echo 123456789 | sed 's/Z*/|/g' |1|2|3|4|5|6|7|8|9| -- Jon H. LaBadie jo...@jgcomp.com -- users mailing list users@lists.fedoraproject.org To unsubscribe or change subscription options: http://lists.fedoraproject.org/admin/lists/users@lists.fedoraproject.org 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
