Created
March 28, 2020 02:26
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python 提取汉字和日期
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| #!/usr/bin/python3 | |
| import re | |
| str1 = """美国股市（American stock market），简称美股，泛指美国纽约的证券交易所的股票市场，主要指标包括道琼斯工业平均指数、标准普尔500指数及纳斯达克100指数。狭义来说，美股主要是指道琼斯工业平均指数的表现，例如“美股升若干点”的意思等同于“道指升若干点”。 | |
| 2020年3月16日：美股开盘熔断，已经是本月第三次，美联储降息已经无力救市了吗？可能会带来哪些连锁反应？ | |
| 2020年3月24日：美股开盘即大涨，是回光返照还是药到病除？ | |
| 2020年3月25日：如何看待美股的暴涨？ | |
| """ | |
| print (str1) | |
| res1 = ''.join(re.findall('[\u4e00-\u9fa5\n\d，。？：]',str1)) | |
| def format_date(matched): | |
| return matched.group('year') + '-' + matched.group('month') + '-' + matched.group('day') | |
| res2 = re.sub('(?P<year>\d+)年(?P<month>\d+)月(?P<day>\d+)日', format_date, res1) | |
| print ("处理结果：\n", res2) |
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