Regex Pattern Library

A collection of common and useful regular expressions (regex patterns) that developers can easily import and use in their projects, saving time on writing and testing regex.

Features

• Email Validation
• URL Matching
• Phone Number Validation
• IP Address (IPv4) Validation
• Date (YYYY-MM-DD) Validation
• Hex Color Code Matching
• Username Validation
• Strong Password Validation
• HTML Tag Matching
• Floating Point Number Validation
• MAC Address Validation
• Base64 String Validation
• Social Security Number (SSN) Validation
• Credit Card Number Validation
• UUID (Universally Unique Identifier) Matching
• Non-ASCII Character Detection
• Only Letters (No Numbers or Special Characters) Matching

Installation

Install the package using npm:

npm install regex-pattern-library

Usage

You can import and use the regex patterns in your next projects:

Example

const {
  emailPattern,
  urlPattern,
  strongPasswordPattern,
} = require("regex-pattern-library");

// Email Validation
console.log(emailPattern.test("[email protected]")); // true

// URL Validation
console.log(urlPattern.test("https://www.example.com")); // true

// Strong Password Validation
console.log(strongPasswordPattern.test("Password123")); // true

Available Patterns

| Pattern | Description | Example Usage | | ----------------------- | ---------------------------------------------------------------------------- | ---------------------------------------------------------- | | emailPattern | Validates email addresses | emailPattern.test('[email protected]') | | urlPattern | Matches URLs (http, https, ftp) | urlPattern.test('https://example.com') | | phonePattern | Validates phone numbers (E.164 format) | phonePattern.test('+1234567890') | | ipPattern | Matches IPv4 addresses | ipPattern.test('192.168.0.1') | | datePattern | Validates dates in YYYY-MM-DD format | datePattern.test('2024-09-08') | | hexColorPattern | Matches hex color codes (#FFF, #FFFFFF) | hexColorPattern.test('#FF5733') | | usernamePattern | Validates usernames (3-16 alphanumeric characters) | usernamePattern.test('user_123') | | strongPasswordPattern | Validates strong passwords (min 8 chars, 1 uppercase, 1 lowercase, 1 number) | strongPasswordPattern.test('Password123') | | htmlTagPattern | Matches HTML tags | htmlTagPattern.test('<div>') | | floatPattern | Validates floating point numbers | floatPattern.test('3.14') | | macPattern | Validates MAC addresses | macPattern.test('00:1A:2B:3C:4D:5E') | | base64Pattern | Matches base64 encoded strings | base64Pattern.test('U29tZSBzdHJpbmc=') | | ssnPattern | Validates US Social Security Numbers | ssnPattern.test('123-45-6789') | | creditCardPattern | Matches basic credit card numbers | creditCardPattern.test('4111111111111111') | | uuidPattern | Matches UUIDs | uuidPattern.test('123e4567-e89b-12d3-a456-426614174000') | | nonAsciiPattern | Detects non-ASCII characters | nonAsciiPattern.test('测试') | | onlyLettersPattern | Matches only letters (no numbers or special characters) | onlyLettersPattern.test('HelloWorld') |

Contributing

Contributions are welcome! If you have a regex pattern you think should be included, feel free to open an issue or submit a pull request.