linux 检查非法字符

import re

def check_illegal_chars(filename):
    # 定义非法字符的正则表达式
    illegal_chars_pattern = r'[<>:"/\\|?*]'
    if re.search(illegal_chars_pattern, filename):
        return False
    return True

# 示例
filename = "example.txt"
if check_illegal_chars(filename):
    print("文件名合法")
else:
    print("文件名包含非法字符")

def replace_illegal_chars(filename):
    # 定义非法字符及其替换字符
    illegal_chars = r'[<>:"/\\|?*]'
    replacement_char = '_'
    return re.sub(illegal_chars, replacement_char, filename)

# 示例
filename = "ex<ample:txt"
cleaned_filename = replace_illegal_chars(filename)
print("清理后的文件名:", cleaned_filename)