Python 使用正则表达式匹配电子邮箱

如下：

In [1]: import re

In [2]: email = "1210640219@qq.com"

In [3]: regular = re.compile(r'[0-9a-zA-Z.]+@[0-9a-zA-Z.]+?com')

In [4]: re.findall(regular, email)
Out[4]: ['1210640219@qq.com']