How to validate a LinkedIn public profile url

Question

I am looking for a way to validate a link to make sure that it is pointing to a LinkedIn public profile page in PHP.

I have a website and I would like my users to be abl

Answer 1

I use another regular expression more permisive:

^(http(s)?:\/\/)?([\w]+\.)?linkedin\.com\/(pub|in|profile)

It includes URLs without squeme and all samples from other answers. You can make any variation here http://regex101.com/r/vE8tV7