18 lines
373 B
Python
18 lines
373 B
Python
import re
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phone_book = '''
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张三：138-1234-5678
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李四：139-5678-1234
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王五：138-0000-1111
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'''
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# 脱敏：将 138-****-5678 格式输出
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# 提示：使用分组和 re.sub
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pattern = r'(\d{3})-(\d{4})-(\d{4})'
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def mask_phone(match):
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return f'{match.group(1)}-****-{match.group(3)}'
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masked = re.sub(pattern, mask_phone, phone_book)
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print(masked) |