php - How to extract this through regular expression

Question

</li><li class="active"><a href="javascript:;">2</a>

How to extract 2 using regular expression in php?
2 is a variable

Answer 1

$patt = '/<\/li><li class="active"><a href="javascript:;">(\d+)<\/a>/';
$str = '</li><li class="active"><a href="javascript:;">2</a><li></a>';
preg_match($patt, $str,$arr);
var_dump($arr[1]);

For this thing, you should check how to use it only when you are using it. After all, you don’t use it much.

Answer 2

'</li><li class="active"><a href="javascript:;">2</a>'.replace(/.+<li[^>]+class="active"><a[^>]+>(.+)<\/a>/,'$1')

Answer 3

The explanation above is so comprehensive