获取BeautifulSoup以不区分大小写的方式捕获标签 [英] Getting BeautifulSoup to catch tags in a non-case-sensitive way
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问题描述
我想用BeautifulSoup捕获一些标签:一些< p> 标签，< title> 标签，一些< meta> 标签.但是我想抓住他们，不管他们是什么情况.我知道有些网站的元数据是这样的:< META> ，我希望能够抓住它.
I want to catch some tags with BeautifulSoup: Some <p> tags, the <title> tag, some <meta> tags. But I want to catch them regardless of their case; I know that some sites do meta like this: <META> and I want to be able to catch that.
我注意到，默认情况下BeautifulSoup区分大小写.如何以不区分大小写的方式捕获这些标签?
I noticed that BeautifulSoup is case-sensitive by default. How do I catch these tags in a non-case-sensitive way?
推荐答案
You can use soup.findAll which should match case-insensitively:
import BeautifulSoup
html = '''<html>
<head>
<meta name="description" content="Free Web tutorials on HTML, CSS, XML" />
<META name="keywords" content="HTML, CSS, XML" />
<title>Test</title>
</head>
<body>
</body>
</html>'''
soup = BeautifulSoup.BeautifulSoup(html)
for x in soup.findAll('meta'):
print x
结果:
<meta name="description" content="Free Web tutorials on HTML, CSS, XML" />
<meta name="keywords" content="HTML, CSS, XML" />
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