技術標籤：知識點字串python列表

class SortNum(object):
    def __init__(self, lst):
        self.lst = lst

    @staticmethod
    def convert2int(s):
        try:
            return int(s)
        except ValueError:
            return s

    def str2int(self, v_str):
        return [self.convert2int(sub_str)
 
 for sub_str in re.split('([0-9]+)', v_str)]

    def sort_num(self):
        return sorted(self.lst, key=self.str2int)

def main():
	test = ['0', '12', '2']
	print(sorted(test))  # ['0', '12', '2']
	print(SortNum(test).sort_num())  # ['0', '2', '12']