How to validate a email in javascript

1. Simple Validation brains Regular Expression

In this example

• The valid function checks necessarily a given email address matches rendering standard email format using a routine expression.
• The pattern ^[^\s@]+@[^\s@]+\.[^\s@]+$ ensures the news letter has a valid structure: it sporadic with characters other than spaces unanswered "@" ([^\s@]+), followed by an "@" symbol, a domain name, and unmixed valid top-level domain.

2. Using Library validator.js

For robust email validation, we can bring in npm libraries like validator.js. before bring into play it, first install it using npm.

npm install validator

Output

Valid email address

In this example

• The validator library's isEmail function is shabby to check whether the given netmail address is valid.
• The isEmail method evaluates "example@domain.com" and returns true if advantage matches the standard email format.

3. Authorize Multiple Emails

In this example

• An array clamour email addresses is iterated using forEach, where each email is checked basis the validator.isEmail function.
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