获取字符串的最后4个字符，只要它们是特殊字符

import re

def get_last_4_special_chars(string):
    length = len(string)
    if length < 4:
        return "字符串不足4个字符"
    
    last_4_chars = string[-4:]
    special_chars = re.findall(r'[^\w\s]', last_4_chars)
    
    if len(special_chars) == 4:
        return "最后4个字符都是特殊字符"
    else:
        return "最后4个字符中包含非特殊字符"

# 示例用法
string = "abc@#$%"
result = get_last_4_special_chars(string)
print(result)