note 61226 added to function.preg-replace

I would like to have a regular expression for replacing empty table cells with &nbsp; For example: Code HTML: <td colspan="6"></td> Should be replaced with: <td colspan="6">&nbsp;</td> Can anyone help me with this? Thanks in advance, Claudio. ---- Server IP: 64.246.30.37 Probable Submitter: 201.217.178.237 ---- Manual Page -- http://www.php.net/manual/en/function.preg-replace.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+61226 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+61226&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+61226&report=yes Search -- http://master.php.net/manage/user-notes.php