day -18homework

3.验证输入的内容只能是汉字

value = input('请输入内容:')
result = re.fullmatch(r'[一-龥]+',value)
print(result)

4.电话号码的验证

num = input('输入电话号码:')
if len(num) == 11:
    result = re.fullmatch(r'1\d{10}',num)
    if result != None:
        print(num)
    else:
        print('输入错误')

else:
    print('输入错误')

5.简单的身份证号的验证

num = input('输入身份证:')
if len(num) == 18:
    result = re.fullmatch(r'[1-9]\d{17}',num)
    if result != None:
        print(num)
    else:
        print('输入错误')

else:
    print('输入错误')

选择题 b a d b c