Re: Another implementation for strrep

[Paul Kienzle]

On Mar 10, 2007, at 4:10 AM, Thomas Treichl wrote:

> function t = _strrep_ (s, x, y)
>
>   if (nargin != 3), print_usage (); endif
>
>   if (! (ischar (s) && ischar (x) && ischar (y)))
>     error ("strrep: all arguments must be strings");
>   endif
>
>   t = regexprep (s, x, y);
>
> endfunction


This isn't (yet) suitable for replacing strrep since the replacement 
argument x may have regular expression operators within it.  You will 
need to escape them before applying the pattern.  Something like the 
following might work:

  pattern = regexprep(x,'([*+([\\])','\\\1');
  t = regexprep(s,pattern,y);

You will have to look up the syntax of the regular expression to figure 
out exactly which characters are significant and how to do replacement 
strings.

Also, if you can easily gather your strings into a cell array, you 
should be
able to translate all of them at once and save even more time.

- Paul