<?php
$s = 'Programm v1.0.1 скачать
Programm v2.0.3
Programm video v7.4(download)
proga v 3.4.5a
proga v 2.2b download';
preg_match_all("#(\w{1}\s?[0-9\.]{1,}\w?)#", $s, $match);
echo '<pre>' . print_r($match, 1) . '</pre>';
<pre>Array
(
[0] => Array
(
[0] => v1.0.1
[1] => v2.0.3
[2] => v7.4
[3] => v 3.4.5a
[4] => v 2.2b
)
[1] => Array
(
[0] => v1.0.1
[1] => v2.0.3
[2] => v7.4
[3] => v 3.4.5a
[4] => v 2.2b
)
)
</pre>
_____________
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