正则表达式yyds
import re
while True:
try:
str1 = input()
pattern = re.compile(r'\d+')
str_list = pattern.findall(str1)
max_long = max([len(i) for i in str_list])
number_list = []
for i in str_list:
if len(i) == max_long:
number_list.append(i)
print(''.join(number_list)+','+str(max_long))
except:
break



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