import re
# 指定要搜索的文件名
filename = "总弹幕.txt"

# 定义要搜索的关键字
keywords = ["AI","ai","8K","8k","自动生成","定制化","3D","3d","全息视频","视障人士"]

# 正则表达式模式，用于匹配包含所有关键字的行
pattern = r'(?={})'.format('|'.join(keywords))

# 创建一个空列表来存放包含所有关键字的行
relevant_lines = []

# 打开文件并逐行读取
with open(filename, 'r',encoding='utf-8') as file:
    for line_number, line in enumerate(file, 1):
        # 如果行中包含所有关键字，将其添加到relevant_lines列表中
        if re.search(pattern, line, re.IGNORECASE):
            relevant_lines.append(f"{line.strip()}")
# 打印结果

with open('AI弹幕.txt',mode='w',encoding='utf-8')as f:
        for item in relevant_lines:
            f.write(f"{item}\n")#写入text文件