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| Language | Python |
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| Owner | w3xue |
| Created | 2 years ago |
| Modified | 2 years ago |
| Visibility | Public |
#!/usr/bin/python3
import re
print(re.search('www', 'www.w3xue.com').span()) # 在起始位置匹配
print(re.search('com', 'www.w3xue.com').span()) # 不在起始位置匹配
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