Finding Files with Regex Pattern in Directory

This function is used to find all files that match a specified regular expression pattern in a given directory.

Technology Stack : os, re

Code Type : Function

Code Difficulty : Intermediate

                
                    
import os
import re

def find_files(directory, pattern):
    """
    查找目录中匹配模式的文件。

    :param directory: 指定目录
    :param pattern: 匹配模式
    :return: 匹配文件的列表
    """
    matches = []
    for root, dirs, files in os.walk(directory):
        for filename in files:
            if re.match(pattern, filename):
                matches.append(os.path.join(root, filename))
    return matches