>I'm having trouble sorting the following data:
>
>point_number  - VARCHAR(10)

I've developped an SQLite extension including a very similar collation: 
it sorts the (integral) prefix first and, in case of a draw, orders 
based on the Unicode suffix.

It currently doesn't cope with floating-point prefixes but can surely 
be adapted easily to do so.  It's only a small part of a larger code 
for facilitating scalar handling of Unicode text, but you can trim it 
down to only the part you need.

If you're interessed in the source, just drop me a mail.


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