Python中如何根据正则表达式规则对字符串进行分类分类

Python中如何根据正则表达式规则对字符串进行分类/分类

python
import re

python
pattern = r'\w+@\w+\.\w+'

python
result = re.match(pattern, string)

python
def is_valid_email(email):
    pattern = r'\w+@\w+\.\w+'
    result = re.match(pattern, email)
    if result:
        return True
    else:
        return False

python
def is_valid_phone_number(phone_number):
    pattern = r'1[3456789]\d{9}'
    result = re.match(pattern, phone_number)
    if result:
        return True
    else:
        return False
phone_number = input("请输入手机号码：")
if is_valid_phone_number(phone_number):
    print("该手机号码是有效的")
else:
    print("该手机号码无效")