PHP preg_match匹配多个相同标签之间的文本

Question

How to match text

$line = "study of 557 adults suffering from sleep";

from

 $content = "The International Journal of Nursing published a
<b>study of 557 adults suffering</b>
<br>
<b>from sleep</b>
disorders. In this study, music was played when they ...";

and somtimes the content can be

 $content = "The International Journal of Nursing published a
<b>study of 557 adults suffering from sleep</b>
disorders. In this study, music was played when they ...";

so i need one solution that can be applicable on both

preg_match("#<b>$line</b>#is",$content,$match);

Answer 1

Like this? https://regex101.com/r/PDehGB/2

$pattern = '/<b>study.*?of.*?557.*?adults.*?suffering.*?from.*?sleep<\/b>/ms';

With this pattern it will take care of any new lines and still keep the $line.

You can explode the $line on " " and build the pattern with implode(".*?", $arr)