Validate email syntax in JavaScript
| Is valid | |
|---|---|
| Fred [email protected] | true |
| Joe.\[email protected] | true |
| "Abc@def"@example.com | true |
| "Fred Bloggs"@example.com | false |
| customer/department=[email protected] | true |
| $[email protected] | true |
| !def!xyz%[email protected] | true |
| [email protected] | true |
| Abc@[email protected] | true |
| /** | |
| * Usign ES6/Babel | |
| * Demo: http://jsbin.com/tonatohuyi/ | |
| */ | |
| function isEmail(value) { | |
| var pattern = /((([A-Za-z]{3,9}:(?:\/\/)?)(?:[\-;:&=\+\$,\w]+@)?[A-Za-z0-9\.\-]+|(?:www\.|[\-;:&=\+\$,\w]+@)[A-Za-z0-9\.\-]+)((?:\/[\+~%\/\.\w\-_]*)?\??(?:[\-\+=&;%@\.\w_]*)#?(?:[\.\!\/\\\w]*))?)/; | |
| return pattern.test(value); | |
| } | |
| const emails = [ | |
| 'Fred\ [email protected]', | |
| 'Joe.\\[email protected]', | |
| '"Abc@def"@example.com', | |
| '"Fred Bloggs"@example.com', | |
| 'customer/[email protected]', | |
| '[email protected]', | |
| '!def!xyz%[email protected]', | |
| '[email protected]', | |
| 'Abc\@[email protected]' | |
| ]; | |
| emails.forEach(email => console.log(email, isEmail(email)) ); |