BeautifulSoup is a DOM like library for python. It's quite useful to manipulate html. Here is an example to find_all html headings. I stole the regex from stack overflow, but who doesn't.
Make an example
Lets make a sample.html file with the following contents. It mainly has some headings,
<h2> tags that I want to be able to find.
<!DOCTYPE html> <html lang="en"> <body> <h1>hello</h1> <p>this is a paragraph</p> <h2>second heading</h2> <p>this is also a paragraph</p> <h2>third heading</h2> <p>this is the last paragraph</p> </body> </html>
Get the headings with BeautifulSoup
Lets import our packages, read in our
sample.html using pathlib and find all headings using BeautifulSoup.
from bs4 import BeautifulSoup from pathlib import Path soup = BeautifulSoup(Path('sample.html').read_text(), features="lxml") headings = soup.find_all(re.compile("^h[1-6]$"))
And what we get is a list of
>> print(headings) [<h1>hello</h1>, <h2>second heading</h2>, <h2>third heading</h2>]
I recently added a heading_link plugin to markata, you might notice the
🔗's next to each heading on this page, that is powered by this exact
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