Verify the email address using the js regular expression.

Verify the email address using the js regular expression.

The most common verification is email address verification. Websites are common. Various web scripts also use the regular expression to verify the entered email address and determine whether the email address is valid. Some can also separate the username and domain name. Now we use JavaScript to implement the email address verification program, which uses the Regular Expression Library in JavaScript.

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Illegal:

Legal:

Source codeThe web page has been verified on IE, Firefox, and Chrome as follows:

<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
The above is the verification email address for the js Regular Expression shared by everyone. I hope it will be helpful for your learning.