正则表达式小疑惑咨询
#(1)
#–coding:UTF-8–
Import re
phoneRegex = re.compile(r”(\d\d\d)-(\d\d\d)-(\d\d\d\d)”)
S = phoneRegex.findall(“111-111-2231”)
print(s)
#输出[(‘111’, ‘111’, ‘2231’)]
#==============================================
#(2)
#–coding:UTF-8–
import re
phoneRegex = re.compile(r”””(
(\d\d\d)-(\d\d\d)-(\d\d\d\d)
)
“””,re.VERBOSE)
s = phoneRegex.findall(“111-111-2231”)
print(s)
#输出 [(‘111-111-2231’, ‘111’, ‘111’, ‘2231’)]
为什么(1)(2)输出的结果不相同,感谢大神指点~
第二个中多了个括号,注意区别