如何使用正则表达式在下划线之间选择数字？

Question

I want to get only the value in bold, but I'm not getting.

349141_194419414_4828414_n.jpg

or

https:// hphotos-ash3.net/t1.0-9/1146_54482593153_1214114_n.jpg

Thank you already

Answer 1

You can use preg_match with a capture group to get the result:

<?php
    $searchText = "349141_194419414_4828414_n.jpg";

    $result = preg_match("/_(\\d+)_/u", $searchText, $matches);
    print_r($matches[1]);
?>

output:

194419414