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Groups > comp.lang.javascript > #23855

Re: Check an input field type='email' has validated successfully

From Jukka Lahtinen <jtfjdehf@hotmail.com.invalid>
Newsgroups comp.lang.javascript
Subject Re: Check an input field type='email' has validated successfully
Organization N/A
References <d72788d9-2a59-4d3a-b5d2-24aebc9abbec@googlegroups.com> <li7058$pe5$5@dont-email.me>
Message-ID <lvppknnahf.fsf@saunalahti.fi> (permalink)
Date 2014-04-11 18:37 +0300

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Denis McMahon <denismfmcmahon@gmail.com> writes:

> The best easy check in javascript is probably that the email address 
> given contains no spaces, one and only one "@" symbol, and at least one 
> period on the right hand side of the "@". You can get more complex, the 
> more complex you get the higher the risk of rejecting a valid email 

I think it's also safe to check that there is at least one alphanumeric
character before the @, at least one more between the @ and the last
period, and at least two after the last period.
Anything stricter than that will probably reject some valid addresses.

-- 
Jukka Lahtinen

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Thread

Check an input field type='email' has validated successfully anthony.glazebrook@gmail.com - 2014-04-10 10:29 -0700
  Re: Check an input field type='email' has validated successfully "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-04-10 20:24 +0200
  Re: Check an input field type='email' has validated successfully Denis McMahon <denismfmcmahon@gmail.com> - 2014-04-10 20:49 +0000
    Re: Check an input field type='email' has validated successfully Jukka Lahtinen <jtfjdehf@hotmail.com.invalid> - 2014-04-11 18:37 +0300
      Re: Check an input field type='email' has validated successfully Christoph Michael Becker <cmbecker69@arcor.de> - 2014-04-11 18:12 +0200
      Re: Check an input field type='email' has validated successfully Denis McMahon <denismfmcmahon@gmail.com> - 2014-04-11 22:51 +0000
  Re: Check an input field type='email' has validated successfully Andreas Bergmaier <andber93@web.de> - 2014-04-11 01:29 +0200
    Re: Check an input field type='email' has validated successfully "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2014-04-11 09:01 +0200
    Re: Check an input field type='email' has validated successfully Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-04-11 11:02 +0200
      Re: Check an input field type='email' has validated successfully Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-04-11 11:48 +0200

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