note 127704 added to function.preg-replace

How to replace all comments inside code without remove crln = \r\n or cr \r each line? <?php $txt_target=<<<t1 this;// dsdsds nope /* ok */ is;huge /*text bla*/ /*bla*/ t1; /* ======================================================================= expected result: ======================================================================= this; nope is;huge ======================================================================= visualizing in a hex viewer .. to_check_with_a_hex_viewer.txt ... t h i s ; LF TAB n o p e CR LF CR LF i s ; h u g e CR LF 74 68 69 73 3b 0a 09 6e 6f 70 65 0d 0a 0d 0a 69 73 3b 68 75 67 65 0d 0a I used F3 (viewer + options 3: hex) in mythical TOTAL COMMANDER! ======================================================================= */ echo '<hr><pre>'; echo $txt_target; echo '</pre>'; // a single line '//' comments $txt_target = preg_replace('![ \t]*//.*[ \t]*!', '', $txt_target); // /* comment */ $txt_target = preg_replace('/\/\*([^\/]*)\*\/(\s+)/smi', '', $txt_target); echo '<hr><pre>'; echo $txt_target; echo '</pre><hr>'; file_put_contents('to_check_with_a_hex_viewer.txt',$txt_target); ?> ---- Server IP: 45.112.84.4 Probable Submitter: 45.91.159.161 (proxied: 5.14.136.121) ---- Manual Page -- https://php.net/manual/en/function.preg-replace.php Edit -- https://main.php.net/note/edit/127704 Del: integrated -- https://main.php.net/note/delete/127704/integrated Del: useless -- https://main.php.net/note/delete/127704/useless Del: bad code -- https://main.php.net/note/delete/127704/bad+code Del: spam -- https://main.php.net/note/delete/127704/spam Del: non-english -- https://main.php.net/note/delete/127704/non-english Del: in docs -- https://main.php.net/note/delete/127704/in+docs Del: other reasons-- https://main.php.net/note/delete/127704 Reject -- https://main.php.net/note/reject/127704 Search -- https://main.php.net/manage/user-notes.php