javascript正则表达式来测试电子邮件

Question

I am trying to check the e-amil address like abc@example.co.uk or a.bc@eyample.com etc

and I am using regular expression like

[a-zA-Z0-9\._]+@[^.]+[a.zA-Z]+\.[a-z{2,5}]+

Can someone suggest how to correct it?

Thank you

Answer 1

See Using a regular expression to validate an email address

and you can try :

[a-zA-Z0-9.!#$%&'*+-/=?\^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*

Answer 2

This should work

Example

var sEmail = txtEmail;

var filter = /^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/;

if (filter.test(sEmail)) {
    return true;
}
else {
    return false;
}

Answer 3

If you make an input type email in new browsers it will validate to a certain level. It will only look for characters followed by a @ and than a few characters after it.

Validating is to catch user mistakes not to make it harder for users to fill in your form.

Answer 4

I want to replace apostrophes "'" with "/" from string.

for example: var str ="te'xt"; want output like this "te/xt"