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Re: regexp with match over multiple lines

From: Andreas Röhler
Subject: Re: regexp with match over multiple lines
Date: Thu, 05 May 2011 19:28:16 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686; de; rv: Gecko/20110414 SUSE/3.1.10 Thunderbird/3.1.10

Am 05.05.2011 11:05, schrieb AngusC:

I want to remove all instances of<![CDATA[ ... ]]>  data in a file.  My
regexp works if the start and end tag is on the same line.  But not if the
end tag is not on this same line.  Is it possible to apply regex across
multiple lines.

My regex is:<\!\[CDATA\[.*\]\]>  and that works if all on one line.

What can I do?  Is this where lisp required?



when dealing with expressions characterized by a start- and end
string, quite often a little function is convenient:

Below a simplified example:

(setq startstring "abc")
(setq endstring "def")

(defun my-start-end-delete ()
  " "
  (interactive "*")
  (let (beg)
    (while (search-forward startstring nil (quote move) 1)
      (setq beg (match-beginning 0))
      (when (search-forward endstring nil (quote move) 1)
        (delete-region beg (match-end 0))))))


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