> can the language be determined?

You know the answer, only with statistical certainty and dependent on the length of the text and the distance of languages.

Hand and finger (en) <=> Hand und Finger (de)

If same script lead to same delimiters can only be answered by someone knowing all 6000 languages of the world.

But already Arabic words should be a problem, maybe less if transcribed. Chinese even more.

see also Word_divider and Word#Word_boundaries

Cheers Rolf

( addicted to the Perl Programming Language)

In reply to Re^3: Perl & Unicode: state of the art? by LanX
in thread Perl & Unicode: state of the art? by BrowserUk

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