Question

I’m having trouble with 2 regular expressions in PHP

1. stripping http(s):// and www.

https://www.google.be/search?sclient=psy-ab&q=regex&oq=regex
http://www.google.be/search?sclient=psy-ab&q=regex&oq=regex
https://google.be/search?sclient=psy-ab&q=regex&oq=regex
http://google.be/search?sclient=psy-ab&q=regex&oq=regex

=> google.be/search?sclient=psy-ab&q=regex&oq=regex

2. 3-30 characters, may contain a-zA-Z0-9.-_* but need at least one letter or number

Valid: -_l*96d.*
Invalid: *-_.

I’ve searched so long without any result so please help !

Many thanks!

Answer 1

    preg_replace('/^(http|https):\/\/(www\.)?/i', '', $url)