What I"m trying khổng lồ get this attribute to vì chưng is to kiểm tra to make sure that the e-mail contains one
và one or more dot I bởi vì want to use the pattern attribute for sure.
The pattern attribute needs to check for:Only one
is a valid address
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I had this exact problem with HTML5s e-mail input, using Alwin Keslers answer above I added the regex to the HTML5 email input so the user must have .something at the end.
This is a dual problem (as many in the world wide web world).
You need to lớn evaluate if the browser supports html5 (I use Modernizr to bởi vì it). In this case if you have a normal form the browser will bởi the job for you, but if you need ajax/json (as many of everyday case) you need to perform manual verification anyway.
.. So, my suggestion is to lớn use a regular expression lớn evaluate anytime before submit. The expression I use is the following:
var thư điện tử = /^
Unfortunately, all suggestions except from B-Money are invalid for most cases.
Here is a lot of valid emails like:günter
россия.рф (Russian, рф is a valid domain)
Because of complexity to get validation right, I propose a very generic solution:
It checks if e-mail contains at least one character (also number or whatever except another "
company, sometimes used in internal networks. But this one could be used, if required:
Both patterns accepts also less valid emails, for example emails with vertical tab. But for me it"s good enough. Stronger checks like trying to connect khổng lồ mail-server or ping tên miền should happen anyway on the vps side.
BTW, I just wrote angular directive (not well tested yet) for e-mail validation with novalidate and without based on pattern above to tư vấn DRY-principle: