Simple Email Regex - Pattern & Examples

Pattern Breakdown

Understanding the regex pattern ^\S+@\S+\.\S+$:

        ^ - Start of string
$ - End of string
\S - Non-whitespace character
+ - One or more

      

Examples

Input	Result	Explanation
`test@test.com`	✓ Match	Basic email
`a@b.c`	✓ Match	Minimal valid email
`no spaces@email.com`	✗ No Match	Contains space

Code Examples

JavaScript

const pattern = /^\S+@\S+\.\S+$/;
const text = "test@test.com";

// Test if string matches
if (pattern.test(text)) {
  console.log("Valid!");
}

// Extract matches
const matches = text.match(pattern);
console.log(matches);

Python

import re

pattern = r'^\S+@\S+\.\S+$'
text = "test@test.com"

# Test if string matches
if re.match(pattern, text):
    print("Valid!")

# Find all matches
matches = re.findall(pattern, text)
print(matches)

PHP

<?php
$pattern = '/^\S+@\S+\.\S+$/';
$text = "test@test.com";

// Test if string matches
if (preg_match($pattern, $text)) {
    echo "Valid!";
}

// Find all matches
preg_match_all($pattern, $text, $matches);
print_r($matches);
?>

Java

import java.util.regex.*;

String pattern = "^\\S+@\\S+\\.\\S+$";
String text = "test@test.com";

Pattern p = Pattern.compile(pattern);
Matcher m = p.matcher(text);

if (m.matches()) {
    System.out.println("Valid!");
}

Use Cases

Common applications: Quick validation, client-side checks

Form validation and input sanitization
Data extraction and parsing
Search and replace operations
API request/response validation
Log file analysis

Frequently Asked Questions

What is the regex pattern for simple email regex?

The regex pattern is: ^\S+@\S+\.\S+$. A simple email validation regex for basic checks. Less strict but catches most invalid emails.

How do I use the simple email regex pattern in JavaScript?

In JavaScript: const regex = new RegExp('^\\S+@\\S+\\.\\S+$'); or const regex = /^\S+@\S+\.\S+$/;

Does this pattern work in Python?

Yes, use: import re; pattern = re.compile(r'^\S+@\S+\.\S+$') in Python. Most regex patterns are cross-language compatible.

What are common use cases for simple email regex?

Quick validation, client-side checks

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