Re: Problem with simple regex

On 14/09 11:04, Christian Brabandt wrote:
>Hi Niels!
>
>On Mo, 14 Sep 2015, Niels Kobschaetzki wrote:
>
>> Hi,
>>
>> I have a problem with a substitution with a simple regex. I want to
>> change occurrences of page numbers and years that are using a hyphen, to
>> an en-dash. Something like "308-309" should become "308--309".
>> My best try so far is:
>>
>> :s/\d-\d/\1--\2
>>
>> But this creates 30--09. My understanding is that \1 and \2 keep the
>> value of the content of \d. Apparently not for whatever reason. What can
>> I do to get this replacement working?
>
>The \d only captures a single digit. You want to capture as many digits
>as possible, so use \d\+ and to remember them as \1 and \2 you need to
>put that into a group, e.g. \(\d\+\)
>So your substitution should look like this:
>
>:%s/\(\d\+\)-\(\d\+\)/\1--\2/g

Thanks, your mail just came when I typed the reply to my own mail that I
found it ^^

Niels

--
--
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/d/optout.