网上找了很多文章，都去不掉script,应该是正则有问题。本人正则不行，最后还是使用beautifulsoup。

from bs4 import BeautifulSoup


#html是获取的html源码

soup = BeautifulSoup(html,"lxml")
[script.extract() for script in soup.findAll('script')]
[style.extract() for style in soup.findAll('style')]

print(soup.get_text())