mirror of https://github.com/TwoWater/Python
26 lines
599 B
Python
26 lines
599 B
Python
#!/usr/bin/env python3
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# -*- coding: UTF-8 -*-
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import re
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a = 'uav_ubv_ucv_uwv_uzv_ucv_uov&123-456-789'
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# 概括字符集
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# \d 相当于 [0-9] ,匹配所有数字字符
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# \D 相当于 [^0-9] ， 匹配所有非数字字符
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findall1 = re.findall('\d', a)
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findall2 = re.findall('[0-9]', a)
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findall3 = re.findall('\D', a)
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findall4 = re.findall('[^0-9]', a)
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print(findall1)
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print(findall2)
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print(findall3)
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print(findall4)
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# \w 匹配包括下划线的任何单词字符，等价于 [A-Za-z0-9_]
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findall5 = re.findall('\w', a)
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findall6 = re.findall('[A-Za-z0-9_]', a)
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print(findall5)
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print(findall6)
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