weixin_43977748的博客

re.sub(r"<.*?>| |\n", “”, text) # 清洗html的特殊符号 ((?=[\x21-\x7e]+)[^A-Za-z0-9]) #匹配各种特殊字符

1.request.get()正常返回200但是text无内容 添加浏览器的headers import requests import lxml # 获取源码 headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36'} html = requests.get("https://blog.cs