[issue11454] email.message import time

[Ezio Melotti]

Ezio Melotti added the comment:

> What about _has_surrogates = re.compile('[^\udc80-\udcff]*\Z').match ?

The runtime is a bit slower than re.compile('[\udc80-\udcff]').search, but otherwise it's faster than all the other alternatives.  I haven't checked the startup-time, but I suspect it won't be better -- maybe even worse.

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Added file: http://bugs.python.org/file27223/issue11454_surr1.py

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