If it's in a MARC record, there's no need to guess, because the subfields are already parsed parts. Title proper is 245$a, subtitle is 245$b, etc.

Nate Trail
Network Development and MARC  Standards Office
Technology Policy Mail stop 4402
Library Services 
Library of Congress 
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-----Original Message-----
From: J. McRee Elrod [mailto:[log in to unmask]] 
Sent: Monday, January 28, 2013 5:22 PM
To: Trail, Nate
Cc: [log in to unmask]
Subject: Re: [BIBFRAME] Punctuation

>Maybe I'm missing something, but if we capture each subelement in it's 
>own property, there'd be no need to parse a long string with ISBD 
>punctuation.You'd know exactly what was in each, even if you didn't 
>have a display system.

If it is in Chinese characters,  I don't know where the place ends and the publisher begins, nor where the title proper ends and subtitle begins.  I only got up the 300 characters and gave up.

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