I'm new to regex and after few days of practicing/learning I manage to write URL validating regex.
/^((?:http|https)):\/\/(?=[a-z\d])((?:(?:(?!_|\.\.|-\.|\.-|\.\/|-\/)[\w-\.])+?)(?:[\.][a-z]{2,}))\/([\w-\.~:\/?#\[\]@!$&\'\(\)*+,;=]*)$/i
It works perfectly but problem was that I wanted to check all currently available TLDs because regex above doesn't validates unicode TLDs (XN--RHQV96G for example) because it allows only letters for domain. I can make it to validate unicode TLDs, but there is no point because it can't validate if entered TLD is real.
Since stackoverflow allows to answer your own question, I will include solution I came up with in my answer and I hope someone will find it usefull, but if you have better solution to solve this problem with TLDs, I will gladly choose your answer as accepted answer.
Rules are following:
Any localhost or IP based URLs shouldn't validate (http://localhost/ or http://8.8.8.8/ for example)
Any URL with authorization parameters or port in it, shouldn't validate (http://username@example.com/ or http://username:password@example.com/ or http://example.com:8080/ for example)
Only allowed protocols are http and https... If someone wants to validate ftp or something else, they can add ftp support easily (?:http|HTTP|ftp|FTP)
