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Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration

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Joao Rodrigues wrote:

> On 12-07-2015 00:55, ashokacharya1988@gmail.com wrote:
>> Regular expression for email or mobile number in one field like
>> facebook email/mobile field in registration

It does not make sense to repeat the subject line verbatim in the message 
body.

>> I am building a registration form in in which i am trying a make a field 
>> say email/mobile where user can either put email address or mobile
>> number with country code.similiar approach is used in facebook
>> registration.can anyone have solution for such regular expression. i
>> am building the form using angularjs with its default validator.
> 
> You may try the HTML5 input type=email [1] which has good support by
> modern browsers [2].
> 
> Also, check out an example Regex by Cody Lindley at debuggex [3].

Lindley’s expression is insufficient, not least because of new TLDs [1].  
The HTML5 Specification has a better expression in the referred section 
insofar that it supports those; however, it does not support IDNs which 
should be encoded with Punycode by the HTTP client, not the user [2].

However, you have overlooked that the OP is using AngularJS, and had they 
googled for “angular e-mail” they would have found the proper solution for 
them already.

Of course, it will be difficult to have the *same* input field for an e-mail 
address *or* a mobile phone number *and* properly validate either.  An e-
mail address is not a valid phone number and vice-versa; and phone numbers 
cannot be properly validated in an international context, which means they 
cannot be properly recognized, which means that they cannot be told from an 
invalid e-mail address.

[1] <http://newgtlds.icann.org/en/program-status/delegated-strings>
[2] <https://en.wikipedia.org/wiki/Internationalized_domain_name>

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Regular expression for email or mobile number in one field like facebook email/mobile field in registration ashokacharya1988@gmail.com - 2015-07-11 20:55 -0700
  Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2015-07-12 11:07 +0200
  Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration Steven D'Aprano <steve@pearwood.info> - 2015-07-12 22:05 +1000
    Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration Dr J R Stockton <reply1500@merlyn.demon.co.uk.invalid> - 2015-07-13 23:13 +0100
      Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration Steven D'Aprano <steve@pearwood.info> - 2015-07-14 12:47 +1000
  Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration Joao Rodrigues <groups_jr-1@yahoo.com.br> - 2015-07-13 16:50 -0300
    Re: Regular expression for email or mobile number in one field like facebook email/mobile field in registration Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-07-14 16:38 +0200

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