Find a URL inside a string

// Written By: Ĵyм Ѡҩℓƒ (Jym Resident)
/*
LICENCE:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
or you may visit - http://license.idjhost.com/
*/
// DESCRIPTION
// Finds url's in a string.

string text = "For example, this is a string, and SL will automatically 'URLify' it, but how do I do that myself? https://www.youtube.com/feed/subscriptions";
string find = "http";

default{
    state_entry(){
        integer i = 0;
        list temp = llParseString2List(text,[" "],[]);
        integer count = llGetListLength(temp);
        while(i < count){
            if(llGetSubString(llList2String(temp,i),0,3) == "http"){
                //Found URL
                llSay(0,llList2String(temp,i));
            }
            i++;
        }
    }
}