Email Validator

import re

def validate_email(email):
    pattern = r'^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$'
    return bool(re.match(pattern, email))

def analyze_email(email):
    if "@" in email:
        parts  = email.split("@", 1)
        user   = parts[0]
        domain = parts[1]
        free_domains = ["gmail.com","yahoo.com","hotmail.com","outlook.com"]
        type_ = "Free Email" if domain in free_domains else "Business/Custom"
        print(f"  Username : {user}")
        print(f"  Domain   : {domain}")
        print(f"  Type     : {type_}")
        print(f"  Length   : {len(email)} characters")

test_list = [
    "rahul@gmail.com",
    "priya.sharma@company.co.in",
    "invalid@",
    "@nodomain.com",
    "no_at_sign.com",
    "test.user+tag@mail.org",
]

print("=== Email Validator ===")
print("\nTest Results:")
print("-" * 45)
for e in test_list:
    status = "Valid  " if validate_email(e) else "Invalid"
    print(f"  [{status}] {e}")

print("\nApna email check karo:")
while True:
    email = input("Email (q=quit): ")
    if email == "q": break
    if validate_email(email):
        print("\n  Valid Email!")
        analyze_email(email)
    else:
        print("  Invalid Email!")
    print()