练习1
def is_valid_email(addr): pattern = r'^[\w\.]+\@[\w]+\.\w{2,}$' m = re.compile(pattern) return m.match(addr)
练习2
def name_of_email(addr): pattern = r'^\<?([\w\s]+)[\>\@]' m = re.compile(pattern) g = m.match(addr) if g: return g.group(1) return ''
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倾情守望
练习1
练习2