python正则表达式错误(AttributeError: 'NoneType' object has no attribute 'group'）-----「*」与「？」的使用出错

时间 2020-08-02

标签 python 正则表达式错误 attributeerror nonetype object attribute group 使用出错栏目 Python 繁體版

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在跟着廖雪峰老师的教程学习python正则表达式，利用正则表达式进行匹配邮箱名字时，利用match.group(1)函数遇到了下面的问题：python Traceback (most recent call last): File "C:\Users\17548\Workspace\EmailZhengze.py", line 27, in <module> name_of_emai

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1. 正则表达式中出现AttributeError: 'NoneType' object has no attribute 'group'问题
2. python操作neo4j出现错误：AttributeError: ‘NoneType‘ object has no attribute ‘get_dictionary‘
3. attributeError: NoneType object has no attribute shape 报错
4. 报错：AttributeError: 'NoneType' object has no attribute 'append'
5. 报错：AttributeError: NoneType object has no attribute device
6. python报错AttributeError: 'NoneType' object has no attribute 'group'和正则匹配整数和小数
7. AttributeError: 'NoneType' object has no attribute 'astyp
8. AttributeError: ‘NoneType’ object has no attribute ‘data’
9. AttributeError: 'NoneType' object has no attribute 'GetLayer'
10. AttributeError: ‘NoneType‘ object has no attribute ‘get_text‘

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