80 Validate Domain Name Javascript Update

Only alphanumeric characters and hypens are a valid domain name.

Validate domain name javascript. The domain must not contain a protocol. Domain name validation takes into account of the following criteria. The valid domain name must satisfy the following conditions.

Contribute to miguelmota is valid domain development by creating an account on github. Validate domain name in javascript. Given a string str the task is to check whether the given string is a valid domain name or not by using regular expression.

Top level domain must be either of the following. I have also included a dynamic match so that protocols and paths are automatically omitted when input. Validating domain names problem you want to check whether a string looks like it may be a valid fully qualified domain name or find such domain names in longer selection from regular expressions cookbook 2nd edition book.

Sub domains are allowed. The domain name should be a z or a z or 0 9 and hyphen. But you may also optionally allow users to include periods inside of their subdomain e g.