<?php
 
$re = '~(?x)\b                   # Word boundary
   (?!                           # Exclusion list
     [A-Z](?:\.[A-Z])+\b         # No upper and 1+ sequences of . + an upper
     |                           # or
     \d+(?:\.\d+)+\S+\b          # digits + 1+ dot and digits and 1+ non-whitespaces
   )       
   (?:https?://)?                # Optional http / https protocol part
   (?:[-\w]+\.[-\w.]+)+          # 1+ sequences of 1+ - or word chars, then . and 1+ -, ., or word chars
   \w(?::\d+)?                   # word char and 1 optional sequence of : and 1+ digits
   (?:/(?:[-\w/.]*(?:\?\S+)?)?)* # 0+ sequences of /, 0+ -, word, /, . symbols, then 1 optional sequence of ? and 1+ non-whitespaces
   \b~';                         # word boundary
$str = 'example.com  www.example.com  http://e...content-available-to-author-only...e.com http://w...content-available-to-author-only...e.com     https://e...content-available-to-author-only...e.com https://w...content-available-to-author-only...e.com  Deciaml Values (1.11)  IP Address (123.123.123.123)   W.H.O   Price values ($11.11)';
preg_match_all($re, $str, $matches);
print_r($matches[0]);

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