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Re: Backslashes in regular expression replacement patterns

From: Michael D. Godfrey
Subject: Re: Backslashes in regular expression replacement patterns
Date: Tue, 16 Oct 2012 16:28:01 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121009 Thunderbird/16.0
On 10/16/2012 12:29 PM, Rik wrote:
regexprep ('a', '(\w)', "\\$1")

Should it be '\a' or '$1'? 

In the first case, one would get the same result from using a replacement
pattern of '\\$1' or "\\$1" which is odd because usually single quotes and
double quotes are not interchangeable.  On the other hand, Perl would
return '\a' for the regexprep above.
Matlab R2009b returns '\a'
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