note 75548 added to function.ereg-replace

how do you replace multiple adjacent newlines to a single newline? this doesn't work: $variable = str_replace("(\r\n)+", "\n", $variable); $variable = str_replace("(\n+", "\n", $variable); ---- Server IP: 203.16.234.20 Probable Submitter: 121.97.251.94 ---- Manual Page -- http://www.php.net/manual/en/function.ereg-replace.php Edit -- https://master.php.net/note/edit/75548 Del: integrated -- https://master.php.net/note/delete/75548/integrated Del: useless -- https://master.php.net/note/delete/75548/useless Del: bad code -- https://master.php.net/note/delete/75548/bad+code Del: spam -- https://master.php.net/note/delete/75548/spam Del: non-english -- https://master.php.net/note/delete/75548/non-english Del: in docs -- https://master.php.net/note/delete/75548/in+docs Del: other reasons-- https://master.php.net/note/delete/75548 Reject -- https://master.php.net/note/reject/75548 Search -- https://master.php.net/manage/user-notes.php