a more precise re for email addys

[skip at pobox.com]

    rbt> re.compile('([\w\.\-]+@[\w\.\-]+)')
    rbt> re.compile(r'[\w\-][\w\-\.]+@[\w\-][\w\-\.]+[a-zA-Z]{1,4}')
    rbt> re.compile('(\S+)@(\S+)')

    rbt> All of these will find email addys, but they also find other
    rbt> things.

I think the only way to decide if your regular expression does what you want
is to provide a set of strings it must accept and another set which it must
reject.  Supply those two sets and I'm sure any number of people here can
come up with a regular express that distinguishes the two sets.

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