这是网页上的script 我要获取的是00914这个数字  直接使用正则表达式即可

运行结果：

 

源码：

 

import re
from bs4 import BeautifulSoup
from urllib.request import urlopen
url = "你要解析的网页URL"
html = urlopen(url).read()
soup = BeautifulSoup(html,"html.parser")
titles = soup.select("body  script") # CSS 选择器
i = 1
for title in titles:
    if i == 3:
     #print(title.get_text())# 标签体、标签属性
     str=title.get_text()
     break
    if i == 2:
        i = 3
    if i == 1:
        i = 2

print(str)
str1 = "\"\"\""+"<script>"+str+"</script>"+"\"\"\""
soup = BeautifulSoup(str1, "html.parser")
pattern = re.compile(r"var _url = \'(.*?)\';$", re.MULTILINE | re.DOTALL)
script = soup.find("script", text=pattern)
#print (pattern.search(script.text).string)
s = pattern.search(script.text).string
print (s.split(\'\\'\')[11])

　　

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