贪婪匹配
str_pat = re.compile(r'"(.*)"')
text1 = 'Computer says "no."'
str_pat.findall(text1)
['no.']
text2 = 'Computer says "no." Phone says "yes."'
str_pat.findall(text2)
['no." Phone says "yes.']
非贪婪匹配
str_pat = re.compile(r'"(.*?)"')
str_pat.findall(text2)
['no.', 'yes.']
