Recursive File Pattern Matching

This function recursively searches for files that match a given pattern in a specified directory and all its subdirectories, and returns a list of matching file paths.

Technology Stack : os, re

Code Type : Function

Code Difficulty : Intermediate

                
                    
import os
import re

def find_files(start_path, file_pattern):
    """
    Recursively find files matching a given pattern in a directory and its subdirectories.

    :param start_path: The starting directory to search.
    :param file_pattern: The pattern to match file names against.
    :return: A list of file paths that match the pattern.
    """
    matches = []
    for root, dirs, files in os.walk(start_path):
        for filename in files:
            if re.match(file_pattern, filename):
                matches.append(os.path.join(root, filename))
    return matches