[XeTeX] String manipulation (substr and similar) in XeLaTeX

[Jan Zahornadsky]

François Charette wrote:
> Jan Zahornadsky a écrit :
>> How to perform similar manipulations in the unicode? Are there some
>> built-in functions in XeLaTeX? Is it at least possible (by updating
>> existing packages)?
>>   
> 
> Have you considered using PerlTeX ?
> (http://tug.ctan.org/cgi-bin/ctanPackageInformation.py?id=perltex)
I haven't heard about that TeX branch before and looks wonderful!
However, I am afraid it's not suitable for me as long as it doesn't
support unicode and fonts at at least similar level to XeTeX. Or does
it? (I gave it only a quick try so far)

> 
> F
> 
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