guotuofeng wrote: > Suppose I have the following data： > > 4702103 BLOB: 1.dat > 4702103 BLOB: 3.dat > 4702104 BLOB: 4.dat > 4702104 BLOB: 5.dat > 4702106 BLOB: 6.dat > > And I want to remove duplicate item against the first column. The dedup data > should like: > > 4702103 BLOB: 1.dat > 4702104 BLOB: 4.dat > 4702106 BLOB: 6.dat > > Then I write the following command: > > :g/\%(^\1.*$\n\)\@<=\(\d\+\).*$/d > > But it doesn't work if the regex engine is NFA. On the other hand, if I > choose use the old regex engine by: > > :set re=1 > > Then I can get the expected results.
Might be the same problem as this item in the todo list: - Using back reference before the capturing group sometimes works with the old engine, can we do this with the new engine? E.g. with "/\%(<\1>\)\@<=.*\%(<\/\(\w\+\)>\)\@=" matching text inside HTML tags. You might be able to make it work to match the digits in the first part of the regexp. -- hundred-and-one symptoms of being an internet addict: 134. You consider bandwidth to be more important than carats. /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" 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_dev" 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/d/optout.
