In [1]:

    

import re


    

In [2]:

    

s = 'aaa@xxx.com, bbb@yyy.com'


    

In [3]:

    

m = re.match(r'.+com', s)
print(m)


    

    




<re.Match object; span=(0, 24), match='aaa@xxx.com, bbb@yyy.com'>

In [4]:

    

print(m.group())


    

    




aaa@xxx.com, bbb@yyy.com

In [5]:

    

m = re.match(r'.+?com', s)
print(m)


    

    




<re.Match object; span=(0, 11), match='aaa@xxx.com'>

In [6]:

    

print(m.group())


    

    




aaa@xxx.com