#email-validation

Fixed What characters are allowed in email address? #dev #it #asnwer

What characters are allowed in email address?

I’m not asking about full email validation.

I just want to know what are allowed characters in user-name and server parts of email address. This may be oversimplified, maybe email adresses can take other forms, but I don’t care. I’m asking about only this simple form: user-name@server(e.g. [email protected]) and allowed characters in…

How to: How should I validate an e-mail address?

How should I validate an e-mail address?

What’s a good technique for validating an e-mail address (e.g. from a user input field) in Android? org.apache.commons.validator.routines.EmailValidator doesn’t seem to be available. Are there any other libraries doing this which are included in Android already or would I have to use RegExp?

Answer: How should I validate an e-mail address?

Don’t use a…

How to: Check that an email address is valid on iOS

Check that an email address is valid on iOS

Possible Duplicate: Best practices for validating email address in Objective-C on iOS 2.0?

I am developing an iPhone application where I need the user to give his email address at login.

What is the best way to check if an email address is a valid email address?

Answer: Check that an email address is valid on iOS

Heres a good one with…

How to: What are best practices for validating email addresses in Objective-C for iOS 2.0?

What are best practices for validating email addresses in Objective-C for iOS 2.0?

What is the cleanest way to validate an email address that a user enters that is iOS 2.0 compatible?

Answer: What are best practices for validating email addresses in Objective-C for iOS 2.0?

I have found that using a regular expression works quite well to validate an email address.

The major downside to regular…

How to: jQuery regex validation of e-mail address

jQuery regex validation of e-mail address

I’m not too sure about how to do this. I need/want to validate email addresses by regex using something like this:

[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)

Not I need to run this in a jQuery function like this: Where…

Solution: Validate email address in JavaScript? #dev #it #computers

Validate email address in JavaScript?

How can an email address be validated in JavaScript?

Answer: Validate email address in JavaScript?

JavaScript can match a regular expression:

emailAddress.match( / some_regex /);

Here’s an RFC22 regular expression for emails:

^((?>[a-zA-Z\d!#$%&'*+\-/=?^_`{|}~]+\x20*|"((?=[\x01-\x7f])[^"\\]|\\[\x01-\x7f])*…

How to: What characters are allowed in email address?

What characters are allowed in email address?

I’m not asking about full email validation.

I just want to know what are allowed characters in user-name and server parts of email address. This may be oversimplified, maybe email adresses can take other forms, but I don’t care. I’m asking about only this simple form: user-name@server(e.g. [email protected]) and allowed characters in…

How to: Validate email address in JavaScript?

Validate email address in JavaScript?

How can an email address be validated in JavaScript?

Answer: Validate email address in JavaScript?

Just for completeness, here you have another RFC 2822 compliant regex

The official standard is known as RFC 2822. It describes the syntax that valid email addresses must adhere to. You can (but you shouldn’t — read on) implement it with this regular…