Last active
February 7, 2017 16:54
-
-
Save zhoufankai/5add5c56a298f65fd4edd995daad3425 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# encoding: utf8 | |
# 正则表达式使用 | |
import re | |
# 首先编译你要查找的类型 | |
p = re.compile('\d+') | |
# 查看开始能否匹配到 | |
m = p.match("1233,4,bb,22") | |
print m.group() | |
# 1233 int | |
# 查找全部匹配到的数字 | |
f = p.findall("1233,4,bb,22") | |
print f | |
# ['1233', '4', '22'] str | |
# 通过finditer迭代来查找数字的范围,注意是范围,不是全部下标 | |
>>> iterator = p.finditer('12 drummers drumming, 11 ... 10 ...') | |
>>> iterator | |
<callable-iterator object at 0x...> | |
>>> for match in iterator: | |
... print match.span() | |
... | |
(0, 2) | |
(22, 24) | |
(29, 31) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment