What is the regex pattern for email address?

The regex pattern for email address is: ^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$.

How does the email address regex work?

^: Start of string. [a-zA-Z0-9._%+-]+: One or more allowed characters in the local part (letters, digits, dots, underscores, percent, plus, hyphen). @: Literal @ symbol separating local and domain parts. [a-zA-Z0-9.-]+: Domain name (letters, digits, dots, hyphens). \.: Literal dot before TLD. [a-zA-Z]{2,}: Top-level domain with 2 or more letters. $: End of string.

Regex for Email Address

Matches standard email addresses with common TLDs. Covers most real-world email formats used in web forms and validation.

Pattern

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

Pattern Breakdown

Token	Explanation
^	Start of string
[a-zA-Z0-9._%+-]+	One or more allowed characters in the local part (letters, digits, dots, underscores, percent, plus, hyphen)
@	Literal @ symbol separating local and domain parts
[a-zA-Z0-9.-]+	Domain name (letters, digits, dots, hyphens)
\.	Literal dot before TLD
[a-zA-Z]{2,}	Top-level domain with 2 or more letters
$	End of string

Test Examples

Input	Match?
user@example.com	Match
first.last@company.co.uk	Match
user+tag@gmail.com	Match
invalid@	No match
@nodomain.com	No match
spaces in@email.com	No match

Common Use Cases

Form validation
Contact form input checking
Email parsing from text
User registration validation

Variations

^[\w.+-]+@[\w-]+\.[\w.]+$

Shorter version using \w shorthand

^.+@.+\..+$

Minimal check (has @ and dot)

Other Regex Patterns

US Phone Number International Phone Number URL IPv4 Address IPv6 Address Date (MM/DD/YYYY)Date (ISO 8601 YYYY-MM-DD)Time (HH:MM, 24-hour)Credit Card Number US Social Security Number US ZIP Code Hex Color Code

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