On Fri, Dec 13, 2013 at 7:53 PM, Tim Chase <v...@tim.thechases.com> wrote: > On 2013-12-13 19:35, vicky b wrote: >> I see most of time for complex editng regular expression is a >> must , so what is the best way to start learning regular expression >> any thing specific to vim. > > There are a number of good resources for learning regular > expressions, as a quick web search for "learn regular expressions" > returns. Also searching your favorite book-seller's site for > "regular expression" returns a number of well-known titles. > > Any good book/tutorial/site will introduce you to the ideas. Once > you have those down, there are various flavors, so all you need to > learn then is "how do I do $FUNCTIONALITY in $ENVIRONMENT?" And > sometimes even that environment changes (such as Vim's "magic" and > "no-magic" modifiers). So Perl/Python regexps have "\b" for > indicating a word-boundary while Vim splits them out into "\<" and > "\>" for beginning-of-word and end-of-word (I think Perl is adding > this functionality in an upcoming or recent release). For the > basics, it's mostly a matter of whether something is escaped with a > backslash or not (grouping with parens, the one-or-more "+", the N-M > curly-braces, etc). For more complex things like back-references and > zero-width assertions, the syntax varies a bit more widely. For the basic syntax, an interactive visualizer can aid in the learning process, like rubular.com / debuggex.com / regexpal.com /
> > So first learn the basics of regular expressions, then read up (or > ask questions here on the list) on Vim-specific flavor. > > -tim -- -- 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 vim_use+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
