Question 1

What does the Simple Email Address regex pattern do?

Accepted Answer

Matches a basic email address: one or more word characters, dots, plus signs, or hyphens before the @, followed by a domain name with at least one dot and a TLD of 2+ letters.

Question 2

How do I use the Simple Email Address regex in JavaScript?

Accepted Answer

Use the pattern /[\w.+-]+@[\w-]+\.[a-zA-Z]{2,}/gi with the String.match() or String.matchAll() method. For example: const matches = text.match(/[\w.+-]+@[\w-]+\.[a-zA-Z]{2,}/gi);

Question 3

What regex flags does this pattern use?

Accepted Answer

This pattern uses the global, case-insensitive flags (gi). The global flag finds all matches in the input, not just the first. The case-insensitive flag matches regardless of letter casing.

Question 4

Which programming languages support this regex?

Accepted Answer

Fully supported in JS, PYTHON, JAVA, PHP. GO (Limited support (ASCII-only word boundaries))

Question 5

What strings does this regex match?

Accepted Answer

This pattern matches strings like: user@example.com, john.doe+tag@company.org, test-123@sub.domain.co.uk. It does not match strings like: @example.com, user@, user@.com.

Simple Email Address

Pattern

Try It

Explanation

Test Strings

Matching

Non-matching

Language Compatibility

Code Snippets

Common Variations

Case-sensitive TLD

Related Patterns

Email Address (RFC 5322)

Email with Display Name

Language	Support
JS	Full support
PYTHON	Full support
JAVA	Full support
PHP	Full support
GO	Limited support (ASCII-only word boundaries)