I also checked "help \@!", and got this: Useful example: to find "foo" in a line that does not contain "bar": /^\%(.*bar\)\@!.*\zsfoo
but it seems, it desn't work with back-ref ... guys, who can help explaining these ? On Sat, Aug 10, 2013 at 10:50 PM, ping song <[email protected]> wrote: > hi: > thanks for the response, this look much shorter! > but this doesn't work either... > > :g/\(abc\d\+\).*\1\@!\(.*\) > 1 abc123 bla bla bla abc123 bla bla > 2 abc123 bla bla bla abc1234 bla bla > 3 abc123 bla bla bla abc123 bla bla > 4 abc123 bla bla bla abc1234 bla bla > 5 abc123 bla bla bla abc123 bla bla > > I'm expecting to see only line 2&4... > > any idea? > > regards > ping > > > > On Sat, Aug 10, 2013 at 5:11 PM, Niklas Reinhart < > [email protected]> wrote: > >> Hi, >> >> this works for me: >> >> abc\(\d\+\).*abc\1\@! >> >> Regards >> >> Niklas >> >> >> Am Sat, 10 Aug 2013 16:45:30 -0400 >> schrieb Ping Song <[email protected]>: >> >> > thanks. yes I know we can use that way(/1 /2 ..etc). >> > what I meant is, how to use these to actually do the compare in a vim >> > ex command line? sth like : >> > >> > :g#\(abc\d\+) bla bla \(abc\d\+\)#if /1 != /2 then echo "found a >> > diff !" >> > >> > of course this doesn't work but just some fake code to clarify what I >> > meant >> > >> > >> > >> > On Sat, Aug 10, 2013 at 3:30 AM, Marcin Szamotulski >> > <[email protected]> wrote: Hi, >> > >> > I am not sure if I understand you correctly but you can use \(...\) >> > and and then reuse it with \1 (it matches the same string as what >> > \(...\) have matched). >> > >> > Regards, >> > Marcin >> > >> > >> > >> > On 00:44 Sat 10 Aug , ping song wrote: >> > > hi guys: >> > > I run into a scenario that , I need to compare 2 part of the regex >> > > string in one line : >> > > >> > > "abc123456 bla bla bla abc1234" >> > > >> > > so I'm thinking, can we use the backreference, to compare the first >> > > abc\d\+ with the second one and only print out a message in case we >> > > detect the different ones ? preferably if this can be done with one >> > > command... >> > > >> > > thanks! >> > > >> > > -- >> > > -- >> > > You received this message from the "vim_use" maillist. >> > > Do not top-post! Type your reply below the text you are replying to. >> > > For more information, visit http://www.vim.org/maillist.php >> > > >> > > --- >> > > You received this message because you are subscribed to the Google >> > > Groups "vim_use" group. To unsubscribe from this group and stop >> > > receiving emails from it, send an email to >> > > [email protected]. For more options, visit >> > > https://groups.google.com/groups/opt_out. >> > > >> > > >> > >> > -- >> > -- >> > You received this message from the "vim_use" maillist. >> > Do not top-post! Type your reply below the text you are replying to. >> > For more information, visit http://www.vim.org/maillist.php >> > >> > --- >> > You received this message because you are subscribed to the Google >> > Groups "vim_use" group. To unsubscribe from this group and stop >> > receiving emails from it, send an email to >> > [email protected]. For more options, visit >> > https://groups.google.com/groups/opt_out. >> > >> >> -- >> -- >> You received this message from the "vim_use" maillist. >> Do not top-post! Type your reply below the text you are replying to. >> For more information, visit http://www.vim.org/maillist.php >> >> --- >> You received this message because you are subscribed to the Google Groups >> "vim_use" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > -- -- You received this message from the "vim_use" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_use" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
