If you do have to use regular expressions I'll usually go down the route of something like: which basically checks you have a value that contains an @.
Note: I tend to use the Are you also validating server-side? Using regular expressions for e-mail isn't considered best practice since it's almost impossible to properly encapsulate all of the standards surrounding email.
I have a requirement to validate an email address entered when a user comes out from the textbox.
I have googled for this but I got form validation JScript; I don't want form validation. I have written below JScript but "if email invalid it's not returning the same page".
video_library Watch Java Script form validation video tutorial.
Validating email is a very important point while validating an HTML form.
In this page we have discussed how to validate an email using Java Script : An email is a string (a subset of ASCII characters) separated into two parts by @ symbol. ~ characters are legal in the local part of an e-mail address but in the above regular expression those characters are filtered out. It begins with at least one or more word characters including the underscore, equivalent to [A-Za-z0-9_].
Browsers that support HTML5 email address validation include Safari 5 , Google Chrome 6 , Mozilla Firefox 4 and Opera 10 .
Safari 5 and Google Chrome 6-8 will not accept invalid email address input but, unlike the other browsers, will not help the user correct the error.