finding HTML tags with python

Question

I have a HTML file and I want to find out the <tr> tags whose id begins with "tr" like "id=tr3245", "id=tr8796" etc.

<tr id=tr1256>
  ....
</tr>
<tr id=tr5847>
  ....
</tr>
<tr id=tr8746>
  ....
</tr>
<tr id=tr9844>
  ....
</tr>

How can I do this with "beautiful soup"?

falsetru · Accepted Answer · 2014-01-05 04:35:09Z

2

Use BeautifulSoup.select with tr[id^="tr"] css selector (See Beautiful Soup Documentation - CSS Selector):

from bs4 import BeautifulSoup

html = '''
<tr id=tr1256>
  ....
</tr>
<tr id=tr5847>
  ....
</tr>
<tr id=tr8746>
  ....
</tr>
<tr id=tr9844>
  ....
</tr>
'''

soup = BeautifulSoup(html)
for tr in soup.select('tr[id^="tr"]'):
    print(tr.get('id'))

prints

tr1256
tr5847
tr8746
tr9844

answered Jan 5, 2014 at 4:35

falsetru

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