📧 Mailcheck-JS

Simple email validator for JavaScript.

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🚀 Usage

var check = new Mailcheck();
check.check(email, options);

// or directly
Mailcheck.check(email, options);

The only required parameter is the email.

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🔍 Validation options

1️⃣ Basic structure (default)
Validates the email structure with allowed characters:
[A-Z a-z 0-9 . _ % + - ç Ç] + @ + [a-z A-Z 0-9 . -] + [a-z A-Z]{2,}
Returns true if valid, false otherwise.

2️⃣ Option 1
In addition to the basic structure, the domain must end with .com, .com.br, or .br.
Emails without these endings will be rejected.

3️⃣ Option 2
Allows only personal emails from common providers:
gmail.com | outlook.com | outlook.com.br | hotmail.com | hotmail.com.br | live.com | live.com.br | yahoo.com | yahoo.com.br | terra.com | terra.com.br | icloud.com | uol.com.br | myyahoo.com | myyahoo.com.br

4️⃣ Custom option
Accepts an array or string (separated by | or comma) with allowed domains, for example:

check.check(email, ['@gmail.com', '@hotmail.com']);
check.check(email, '@gmail.com,@hotmail.com');
check.check(email, '@gmail.com|@hotmail.com');

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⚠️ Important notes

• This version of Mailcheck-JS was one of the first codes derived from Mailcheck-PHP (v0.0.1), converted to JavaScript.
• Currently, this library is outdated compared to the PHP version.
• I plan to remake this JS library after finishing the PHP version refactor, but there's no timeline yet.

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🔗 Relation with Mailcheck-PHP

The Mailcheck-JS library was inspired by Mailcheck-PHP, created to provide combined front-end and back-end validation.

Check out the PHP project here:
Mailcheck-PHP

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