查找并打印带有模式的最大单词

import re

def find_largest_word_with_pattern(text, pattern):
    # 使用正则表达式查找所有匹配模式的单词
    matches = re.findall(r'\b\w*' + re.escape(pattern) + r'\w*\b', text)
    
    # 如果没有找到匹配的单词，返回None
    if not matches:
        return None
    
    # 返回最长的匹配单词
    return max(matches, key=len)

# 示例文本和模式
text = "The quick brown fox jumps over the lazy dog and the quick brown cat."
pattern = "o"

# 查找并打印带有模式的最大单词
largest_word = find_largest_word_with_pattern(text, pattern)
if largest_word:
    print(f"The largest word containing the pattern '{pattern}' is: {largest_word}")
else:
    print(f"No word containing the pattern '{pattern}' was found.")