email validation on client side failing in asp.net mvc (not validating dot requirement after @ symbol)

Asked Dec 05 '17 at 10:32

Active Dec 05 '17 at 15:01

Viewed 20 times

I have a following javascript in my asp.net mvc code

var filter = /^([a-zA-Z0-9_.-])+@@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
                        if (!filter.test(email.value)) {
                            document.getElementById("usererror").textContent = 'Please Enter Valid Email';
                            email.focus();
                            return false;
                        }

Validation is working fine other then it doesn't check dot requirement after @ symbol. Please help me in correcting the regular expression.

Answer: Now using following pattern in my mvc form

var filter = /^([a-zA-Z0-9_.-])+@@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/;

edited Dec 05 '17 at 15:01

asked Dec 05 '17 at 10:32

Kamran Shahid

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Escape the dot. – Federico klez Culloca Dec 05 '17 at 10:33
Can you please post it as answer with updated pattern – Kamran Shahid Dec 05 '17 at 10:35
The question has been closed, so no, sorry :( – Federico klez Culloca Dec 05 '17 at 10:38
It's in the context of asp.net mvc where we needed to escape @ character. @Wiktor Stribiżew On Stackoverflow nowadays effort are mostly done for closing, deleting the question rather then to answering it. – Kamran Shahid Dec 05 '17 at 10:46
You mean /^([a-zA-Z0-9_.-])+@@(([a-zA-Z0-9-])+\.)+([a-zA-Z0-9]{2,4})+$/ – Kamran Shahid Dec 05 '17 at 10:50
It worked. Thanks a lot @FedericoklezCulloca – Kamran Shahid Dec 07 '17 at 08:23

email validation on client side failing in asp.net mvc (not validating dot requirement after @ symbol)

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