Regular Expressions 101

Picks out valid email addresses from string.

Valid and Invalid emails

This looks to attempt to validate email addresses per the RFC. I don't know how accurate it is.

The email validation for registration

Full email validation with optional "." "-" "_"

Allow only two dots email address, for username.group@domain.tld

Its a regex expression that matches with severals allowed kinds of emails.Enjoy it.

Find a bunch of different types of email with this RegEx

Validates Multiple email addresses seperated by comma.

Use this Regex for server-side validation also with some slight modifications like so for .NET -- @\w+(-+.']\w+)@\w+([-.]\w+)\.[a-zA-Z0-9]{2,6}([-.{2,6})*;

This is the javascript equivalent that .NET uses in their server-side validators.

matches normal email addresses like example@gmail.com but also addresses with ip addresses like example@192.168.0.34 (not ipv6)

Validate multiple Email-addresses separated by semicolon. No check on allowed domains, just a plain and simple check on the correct structure

A pattern to match the email domain suffix

This Regx has full validation of a standard email ID

Full Validation of Email ID