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[Octave-bug-tracker] [bug #35911] Backslash escaping in regexprep replac


From: Rik
Subject: [Octave-bug-tracker] [bug #35911] Backslash escaping in regexprep replacement string incompatibility
Date: Sun, 25 Mar 2012 21:45:49 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:11.0) Gecko/20100101 Firefox/11.0

Update of bug #35911 (project octave):

              Depends on:                         => bugs #33611            

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Follow-up Comment #1:

This is similar to bug #33611.  It is unlikely that this will be fixed. 
Matlab made a poor decision not to have interpolated strings (double quote)
and then they worked around it by occasionally having interpolation depending
on the context (examples: printf format strings, regexprep replacement
strings).  Chasing this kind of bug-for-bug compatibility is not easy and not
fun.

For the examples you gave, it would be easiest to switch to interpolated
strings in Octave by changing the single quote to a double quote.  Then things
like "\" will be transformed to just ''.  This isn't too much of a problem if
the number of regexprep calls in your code is small.  Otherwise, you could
write a Perl or Octave script to convert the last argument of all regexprep
calls from single to double quote.

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?35911>

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