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Allow dashes in email validations


Allow dashes in email validations

By : Anjali
Date : October 22 2020, 08:10 PM
Hope this helps I have this email validation regex , You can just append - in the first square brackets.
code :
[a-zA-Z0-9\\\\+\\\\.\\\\_\\\\%\\\\-\\\\+'-]
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email validations suggestions are required

email validations suggestions are required


By : Tranquil
Date : March 29 2020, 07:55 AM
like below fixes the issue The example you provided is not a valid email address at least because ####.com is not a valid domain name. What you really should do is use regular expression to check the email address.
The most simple version of the regex would be
code :
/^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/
/^[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum|xxx)$/
/^(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])$/
function echeck(str)
{
    //using the most simple version
    //substitute for another pattern if more complete matching is required
    var expr = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i;
    return expr.test(str);
}
RoR EMail Validations--Multiple Regexes/formats

RoR EMail Validations--Multiple Regexes/formats


By : David Wolf
Date : March 29 2020, 07:55 AM
like below fixes the issue I am trying to use validates_format_of in my model file to validate an email address. However, I need to enter two regexes for two special cases. Basically, only a few top-level domain names are allowed.
code :
validates_format_of :email, 
    :with => (/^([^@\s]+)@((gmail|yahoo|hotmail)\.+[a-z]{2,})$/i)
. is for single character, you want \. for an actual period
otherwise 'gmailxcom' would be valid
REGEX - Pattern for email and doesn't allow double dashes

REGEX - Pattern for email and doesn't allow double dashes


By : Ramesh Panihar
Date : March 29 2020, 07:55 AM
it should still fix some issue You can use this regex: (?!.*?--)(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$). I added a negative lookahead that will stop the match if followed by .*--, if it contains --
If you want to use this for a website then you should use another regex as suggested in a comment to match email adresses more strictly, or use available functions in language.
Validate optional email with ember-cp-validations

Validate optional email with ember-cp-validations


By : Bryan Angelico
Date : March 29 2020, 07:55 AM
With these it helps Your definition should be as follows to allow blank (to make it optional):
code :
const Validations = buildValidations({
  managerEmail: validator('format', { type: 'email', allowBlank:true})
});
Why most of the email validations pass something@something as a valid email address?

Why most of the email validations pass something@something as a valid email address?


By : Bastien Hubert
Date : March 29 2020, 07:55 AM
may help you . Simple answer "abc" is a valid domain name. https://en.wikipedia.org/wiki/Email_address#Domain
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