- preg_match: documentation ( source)
- print_r: documentation ( source)
<?php
preg_match('/.+\s\(ID:?(.*)\)$/', 'abc (xyz) (ID:http://ex () ample.com)', $match);
print_r($match);
preg_match('/.+\s\(ID:(.*)\)$/', 'abc (xyz) (ID:123456)', $match);
print_r($match);