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Validate email address using JavaScript

An email address is a string separated into two parts by '@' symbol. A "personal-part" and a domain-name, that is personal-part@domain-name. The length of the personal-part may be up to 64 characters long and domain-name may be up to 253 characters . The personal-part contains the following ASCII characters.

  1. Uppercase: (A-Z) and lowercase (a-z) English letters.
  2. Digits: (0-9).
  3. Characters: ! # $ % & ' * + - / = ? ^ _ ` { | } ~
  4. Character: . ( period, dot or fullstop) provided that it is not the first or last character and it will not come one after the other.

The domain name [for example: com, org, net, in, us, info] part contains letters, digits, hyphens, and dots.

Example of valid email id

mysite@example.com

Keep in mind that one should not rely only upon JavaScript email validation because JavaScript can easily be disabled.


validate email address using javascript/jquery

Regular Expression

A regular expression is an object that describes a pattern of characters.

The following JavaScript shows how to validate an email address using Regular Expression .

Full Source | JavaScript










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