c提取邮箱用户名和域名

import re

def extract_email_parts(email):
    match = re.match(r'([^@]+)@(.+)', email)
    if match:
        username = match.group(1)
        domain = match.group(2)
        return username, domain
    else:
        return None, None

# 示例
email = "example@example.com"
username, domain = extract_email_parts(email)
print(f"Username: {username}, Domain: {domain}")

function extractEmailParts(email) {
    const parts = email.split('@');
    if (parts.length === 2) {
        return {
            username: parts[0],
            domain: parts[1]
        };
    } else {
        return null;
    }
}

// 示例
const email = "example@example.com";
const { username, domain } = extractEmailParts(email);
console.log(`Username: ${username}, Domain: ${domain}`);

public class EmailExtractor {
    public static void main(String[] args) {
        String email = "example@example.com";
        String[] parts = email.split("@");
        if (parts.length == 2) {
            String username = parts[0];
            String domain = parts[1];
            System.out.println("Username: " + username + ", Domain: " + domain);
        } else {
            System.out.println("Invalid email address");
        }
    }
}