Re: regex variable

Sweet, didn't know about C+r - that works. I'll look more into the
leader stuff (which'll probably work better) later. Thanks

On Thu, Jul 18, 2013 at 9:55 AM, Marcin Szamotulski <mszamot@gmail.com> wrote:
> On 09:42 Thu 18 Jul , shawn wilson wrote:
>> Is there a way of using a variable in a regex?
>>
>> I'm constantly looking for the first octet of IP addresses, so I do:
>> /[^0-9\.]10\.
>>
>> What I've been doing is hitting / and up arrow and then edit but if I
>> could store [^0-9\.] in something easily accessed, that would save
>> some time.
>
> Hi,
>
> You can set:
> :let ip='[^0-9\.]
> and then use:
> /^r=ip<cr>
> (i.i. hit '/' for search, the CTRL+r, then =, then write the variable name and
> then hit <cr>). See ":help c^r=" for the expression register.
>
> But maybe more useful is make a mapping:
> cmap <Leader>i ['0-9\.]
>
> or even better allow for this map only in search:
> cmap <expr> <Leader>i (getcmdtype() == '/' ? "['0-9\\.]" : '\i')
>
> I assumed here that your <Leader> key is set to '\', otherwise you just
> have to modify the '\i'.
>
> Best regards,
> Marcin
>
> --
> --
> 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+unsubscribe@googlegroups.com.
> 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 vim_use+unsubscribe@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.