来自某个符号的TRIM / STR文本

Question

我有这段代码：

$title = &$cleantitle;
$cleantitle = str_replace(' ', '', $cleantitle);

$title = ./wp-content/uploads/webvideos/January/January - Intro Video/V001-Test-Video.mp4

我想获得

$cleantitle = V001-Test-Video

我不确定如何做到这一点。