How to get all the matching groups in a file using regex in python?

@elise_daugherty 

You can use the re module in Python to get all the matching groups in a file using regex. Here's an example code snippet that demonstrates how to do this:

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import re

# Read the content of the file into a string
with open('file.txt', 'r') as file:
    content = file.read()

# Define the regular expression pattern with capturing groups
pattern = re.compile(r'(group1) (group2) (group3)')

# Find all matches in the content of the file
matches = pattern.findall(content)

# Print all the matching groups
for match in matches:
    print(match)

In this example, the regular expression pattern (group1) (group2) (group3) defines three capturing groups that will match specific patterns in the file content. The findall method is then used to find all occurrences of the pattern in the content of the file, and the matching groups are printed out.