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作业

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#1 Created at ... [Delete] [Delete and Lock User]

作业一:

def is_valid_email(addr) -> bool:

    if re.match(r'[\w\.]+\@[\w\.]+', addr):

        return True

    else:

        return False

作业二:

def name_of_email(addr) -> str:

    m = re.match(r'^\<?([\w\s]+)\>?.*?\@\w+\.\w+$', addr)

    if m != None:

        return m.group(1)


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