利用正则表达式匹配并截取指定子串并去重，正则表达式截取,import repat

利用正则表达式匹配并截取指定子串并去重，正则表达式截取,import repat

import repattern=re.compile(r'\| (\d+) \| (\d+) \|')numset=set()all='''| 29266795 | 533 || 29370116 | 533 || 29467495 | 533 || 29500404 | 533 || 29500622 | 533 || 29515964 | 530 || 29516015 | 530 || 29520954 | 530 || 29520960 | 530 || 29525346 | 530 || 29525351 | 530 || 29525365 | 530 |'''matches=pattern.findall(all)for did,dt in matches:    numset.add(dt)print numset