Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

There does not seem to be anything here

Community Library Entry

1

Regular Expression
ECMAScript (JavaScript)

/
(?:[a-z0-9_-]+(?:\.[a-z0-9_-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]| \\[\x01-\x09\x0b\x0c\x0e-\x7f])*"){2,255}@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9]){1,255}?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9]){1,64}?| \[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]: (?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])
/
Open regex in editor

Description

Vaild:

valid.email@example.com john.doe123@example.co.uk alice_smith@company.org user1234@emailprovider.net test.email1234@email-domain.com support@website.info jane.doe@emailprovider.org contact_us123@example.net my.email123@email-provider.co

Invalid: a@ce.ce invalid.email@missingtld john.doe@invaliddomain.c spaces in@email.com special!chars@email.com noatemail.com double..dots@email.com @missingusername.com user@inva@lid.com missingatsigndomain.com

Submitted by anonymous - a year ago (Last modified a year ago)