例如 url ：
xxx/xxx-102.html
xxx/xxx-43.html
想通过"-"以及"."去定位中字符串并存入列表.
请问如何实现?
xxx/xxx-102.html
xxx/xxx-43.html
想通过"-"以及"."去定位中字符串并存入列表.
请问如何实现?
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This topic created in 3387 days ago, the information mentioned may be changed or developed.
 | 1 okletswin Feb 15, 2017 re.match(r'.*-([^\.]+)\.', 'xxx-102.html') |
 | 2 fei051466 Feb 15, 2017  1 >>> target = 'xxx/xxx-102.html' >>> result = target[target.find('-') + 1: target.find('.')] >>> result '102' |
 | 3 leavic Feb 15, 2017 via iPhone 不想用 re 就做两次 split |
 | 4 zhicheng Feb 15, 2017 >>> 'xxx/xxx-102.html'.rpartition('-')[2].partition('.')[0] '102' >>> 'xxx/xxx-43.html'.rpartition('-')[2].partition('.')[0] '43' >>> ''.rpartition('-')[2].partition('.')[0] '' >>> '-------------'.rpartition('-')[2].partition('.')[0] '' >>> '.........'.rpartition('-')[2].partition('.')[0] '' >>> '-.-.-.-.-.-.'.rpartition('-')[2].partition('.')[0] '' >>> '-123.-456.-789.-123.-456.-789.'.rpartition('-')[2].partition('.')[0] '789' >>> 'laksdjflkajs8923u41--..asdf92u34100---12342.'.rpartition('-')[2].partition('.')[0] '12342' |
 | 5 imn1 Feb 15, 2017 1 In [4]: import re In [5]: re.split(r'[.\-]', 'xxx/xxx-102.html') Out[5]: ['xxx/xxx', '102', 'html'] |
 | 6 ming2050 Feb 15, 2017 via iPhone 题主是老司机，鉴定完毕 |
 | 7 Antidictator Feb 16, 2017 @mringg 你也是老司机鉴定完毕 |
 | 9 ijustdo Feb 16, 2017 >>> a = 'xxx/xxx-102.html' >>> a.rsplit('.', 1)[0].rsplit('-', 1)[-1] |
| 10 ijustdo Feb 16, 2017 大家要考虑 xxx/xxx 里面也可能包含 . 或者 - 的情况 呵呵 永远不要相信任何输入 |
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