title: How to find specific pattern in crawling a web page using "Beautiful Soup"?
body: <p>I am trying to get username of twitteres from <a href="http://twitaholic.com/" rel="nofollow noreferrer">twitaholic</a> website, I run following code but  my result printed None (without error message), what is wrong with it?</p>
  
  <pre><code>import requests
  from bs4 import BeautifulSoup
  
  url = "https://www.twitaholic.com/"
  headers = {'User-Agent': 'Mozilla/5.0'}
  page = requests.get(url)
  soup = BeautifulSoup(page.content, 'html.parser')
  soup.findall(id="@(.*)")
  </code></pre>