BeautifulSoup 能否根据url关键字过滤出链接

yakczh_cu

1. 
   
2. from bs4 import BeautifulSoup
   
3. 
   
4. 
   
5. 
   
6. html='''
   
7. 
   
8. <a class="vip_class fl font14" href="/site/baidu" target="_blank">baidu</a>
   
9. <a href="/site/google/
   
10. " target="_blank">google</a>
    
11. <a href="/mobile/list/?" target="_blank">android</a>
    
12. <a href="/mobile/list/?" target="_blank">ios</a>
    
13. '''
    
14. 
    
15. 
    
16. soup = BeautifulSoup(html,'lxml')
    
17. 
    
18. alls=soup.findAll("a")
    
19. print(all)
    

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比如只想找到 href对链接中有mobile关键字的 链接， 有没有办法在findAll这一步中就取出来？

reb00t

回复 1# yakczh_cu

1. 
   
2. 
   
3. import re
   
4. from bs4 import BeautifulSoup
   
5. 
   
6. 
   
7. 
   
8. html='''
   
9. 
   
10. <a class="vip_class fl font14" href="/site/baidu" target="_blank">baidu</a>
    
11. <a href="/site/google/
    
12. " target="_blank">google</a>
    
13. <a href="/mobile/list/?" target="_blank">android</a>
    
14. <a href="/mobile/list/?" target="_blank">ios</a>
    
15. '''
    
16. 
    
17. 
    
18. soup = BeautifulSoup(html,'lxml')
    
19. 
    
20. alls=soup.findAll("a", href=re.compile('mobile'))
    
21. print(alls)
    
22. 
    
23. 结果
    
24. [<a href="/mobile/list/?" target="_blank">android</a>, <a href="/mobile/list/?" target="_blank">ios</a>]

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