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import re rt = re.search(r'(\d)+(\w+)(\$+)', '123abc$$$') print(rt.group(1)) 结果为啥是 3 呢，正则从左向右匹配，+ 算贪婪，不应该是 1 吗？
 | 1 brucmao OP 用 regex101.com 试了下，明白了，只捕获最后一个迭代 A repeated capturing group will only capture the last iteration. Put a capturing group around the repeated group to capture all iterations or use a non-capturing group instead if you're not interested in the data |
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