note 105943 added to function.preg-replace

simple function to remove comments from string <?php function remove_comments( & $string ) { $string = preg_replace("%(#|;|(//)).*%","",$string); $string = preg_replace("%/\*(?:(?!\*/).)*\*/%s","",$string); // google for negative lookahead return $string; } ?> USAGE: <?php $config = file_get_contents("config.cfg"); print "before:".$config; remove_comments($config); print "after:".$config; ?> OUTPUT: before: /* * this is config file */ ; logdir LOGDIR ./log/ // logfile LOGFILE main.log # loglevel LOGLEVEL 3 after: LOGDIR ./log/ LOGFILE main.log LOGLEVEL 3 ---- Server IP: 69.147.83.197 Probable Submitter: 92.52.35.25 ---- Manual Page -- http://www.php.net/manual/en/function.preg-replace.php Edit -- https://master.php.net/note/edit/105943 Del: integrated -- https://master.php.net/note/delete/105943/integrated Del: useless -- https://master.php.net/note/delete/105943/useless Del: bad code -- https://master.php.net/note/delete/105943/bad+code Del: spam -- https://master.php.net/note/delete/105943/spam Del: non-english -- https://master.php.net/note/delete/105943/non-english Del: in docs -- https://master.php.net/note/delete/105943/in+docs Del: other reasons-- https://master.php.net/note/delete/105943 Reject -- https://master.php.net/note/reject/105943 Search -- https://master.php.net/manage/user-notes.php