15 lines
279 B
Python
15 lines
279 B
Python
import re
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phone_book = '''
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张三：138-1999-9101
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李四：139-1998-5678
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王五：138-1997-1234
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'''
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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) |