用正则提取一段文字,该怎么写,文本如下

Question

用正则提取一段文字,该怎么写,文本如下:
Text:
Hello,
<br><br>
Click the link below to finish your login to bo.qa.atomictitan.dev:
<br>
https://enlabs-dev.cloudflareaccess.com/?nonce=P0FoMt8z0zVTD6zE6LKRVknk6okRMTY1MzkwNTQ2MQ&code=433507

<br><br>
You can also copy and paste the code below into the Cloudflare Access login screen:
<br><br>
433507
<br><br>
This code will expire after 10 minutes or if you request a new code.
<br><br>
Thanks,
<br><br>
The Cloudflare Team

想要提取433507这个文本

Answer 1

import re
a = """<br><br>
You can also copy and paste the code below into the Cloudflare Access login screen:
<br><br>
433507"""
s = re.findall(r"[0-9]+",a)
print(s[0])

仅针对这段文本，如果你想要正则一个html文本的话，需要前后文，不然容易锁定错