比如域名是alixixi.com,正则表达式如下:
$S = ‘http://www.alixixi.com/’
$domain = array(‘com’,’cn’,’name’,’org’,’net’);
$SS = $S;
$dd = implode(‘|’,$domain);
$SS = preg_replace(‘/(.*)((/w+)(/.(‘.$dd.’))*/.(‘.$dd.’))$/iU’,’$2′,$SS);
echo $SS ;
$domain = array(‘com’,’cn’,’name’,’org’,’net’);
$SS = $S;
$dd = implode(‘|’,$domain);
$SS = preg_replace(‘/(.*)((/w+)(/.(‘.$dd.’))*/.(‘.$dd.’))$/iU’,’$2′,$SS);
echo $SS ;
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