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Finding elements using regular expression in Beautiful Soup

Programming
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Python
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Beautiful Soup
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Cookbooks
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Finding elements Cookbook
schedule Jul 1, 2022
Last updated
local_offer PythonBeautiful Soup
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tocTable of Contents
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To find elements using regular expression, use the find_all(~) method and pass in the regular expression for the text parameter.

Example

Consider the following HTML document:

my_html = """
   <p>A cat sat</p>
   <p>on a mat</p>
"""
soup = BeautifulSoup(my_html)

To find all elements that contain the words "cat" and "mat":

my_regex = re.compile("[cm]at")
matched_strings = soup.find_all(text=my_regex)

for matched_string in matched_strings:
   print(matched_string.parent)
<p>A cat sat</p>
<p>on a mat</p>

Since we've specified the text parameter, the return value of find_all(~) is a list of NavigableString objects. These objects are just like your standard Python string, except that they have helper properties and methods to navigate around the HTML document. Here, we're using its parent property, which returns the enclosing Tag object.

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Published by Isshin Inada
Edited by 0 others
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