<human>:  how to match patterns in filenames using re in.
<bot>: Here is a Python program to match patterns in filenames using re

import re

def match_pattern(filename, pattern):
 """Match patterns in filenames using re."""
 return re.match(pattern, filename)

# Enter the filename
filename = "/Users/carnation/Desktop/python_exercises/relative_path/test.txt"

# Enter the pattern
pattern = "test.txt"

# Calling the function
match = match_pattern(filename, pattern)

# Printing the match
print(match)

#Example Output
# None

#Remember to inspect code for bugs.