preg_replace can't handle new line - php

Question

I have an HTML document where I would like to remove block from (starting with date 20170908 ending with next script tag), however preg_replace can't detect anything that lies below the newline. If I manually erase newlines, reg expression works, but I'd like to trim them programmatically. A part of the HTML document:
<script type="text/javascript" src="iam.js"></script><script
type="text/javascript"src="/search.js"></script><script
type="text/javascript" > /* 20170908 */ function uabpd4(){
//some function
}
</script>
In PHP I do the following:
$content = trim(preg_replace('/\s+/', ' ', $content)); // just trying to get rid of newlines, but nothing from this works
$content = preg_replace( "/\r|\n/is", "", $content);
$content = str_replace(array("\n", "\t", "\r"), '', $content);
$content = preg_replace("/\/\* $date(.*?)(((?!script>).)uabpd4(.*?script>))/is", "WORKS </script>", $content);
Thank you.

Answer 1

If I understand you correct you want to remove the javascript part with the date in it.
This is one method, match the part you want to remove and use str_replace to remove it.
$re = '/.*script type.*<script.*type.*?>(.*?uabpd4.*})/s';
$str = '<script type="text/javascript" src="iam.js"></script><script
type="text/javascript"src="/search.js"></script><script
type="text/javascript" > /* 20170908 */ function uabpd4(){
//some function
}
</script>';
preg_match($re, $str, $m);
echo str_replace($m[1], "", $str);
https://3v4l.org/ktcXo