<?php
$str = "WHERE 1=1 AND (
( wp_usermeta.meta_key = 'mayo_location' AND wp_usermeta.meta_value IN ('418') )
) AND (user_login LIKE '%a j sterr%' OR user_email LIKE '%a j sterr%')";
preg_match_all('/sterr/', $str, $matches, PREG_SET_ORDER);
print_r(end($matches));
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Array
(
[0] => sterr
)