按照你的要求写的正则表达式 ^((?!ABC)(?!一二三).)+$
完整的Python程序如下
import res=['123ABC12345','12一二三12345','1一二345','12A345678','1一2二3三45','1AB23C45']
regex = r'^((?!ABC)(?!一二三).)+$'
for i in range(0,len(s)):
result = re.match(regex,s[i])
if result:
print(result.group(0))
Python源代码(注意源代码的缩进)
运行结果
list = ["10","20","30"]you = raw_input('please input:10,20,30\n').strip()
if not you in list:
print "10/20/30!"