Email Address Regex Pattern

Learn how to validate email addresses using regex. Copy-paste ready pattern with examples and test cases.

The Pattern

/[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/g

How It Works

Token	Meaning
`[a-zA-Z0-9._%+-]+`	One or more letters, digits, dots, underscores, percent signs, plus signs, or hyphens (local part)
`@`	Literal @ symbol
`[a-zA-Z0-9.-]+`	One or more letters, digits, dots, or hyphens (domain name)
`\.`	Literal dot separator
`[a-zA-Z]{2,}`	Two or more letters (TLD like .com, .org)

Test Cases

✅user@example.comMatch

✅john.doe+work@company.co.ukMatch

✅name_123@test.orgMatch

❌invalid@No match

❌@nodomain.comNo match

❌name@domain.cNo match

Code Examples

javascript

const emailRegex = /[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/g;
const text = "Contact us at hello@example.com or support@test.co.uk";
const matches = text.match(emailRegex);
console.log(matches); // ["hello@example.com", "support@test.co.uk"]

python

import re
email_regex = r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}'
text = "Contact us at hello@example.com or support@test.co.uk"
matches = re.findall(email_regex, text)
print(matches)  # ['hello@example.com', 'support@test.co.uk']

Common Use Cases

Form validation - verify user email input before submission
Data extraction - find email addresses in text documents
Log parsing - extract emails from server logs
Data cleaning - identify and normalize email formats

Related Patterns

URL / HTTP Phone Number IPv4 Address

Want to test this pattern with your own data?

Try this pattern in Regex Tester →