- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
- SMK Sungai Punai
<?php
$pipedExclusions = 'SMK|USA|AUS';
echo preg_replace_callback(
'~\b(?:(?:' . $pipedExclusions . ')(*SKIP)(*FAIL)|\p{Lu}+)\b~u',
fn($m) => mb_convert_case($m[0], MB_CASE_TITLE),
'SMK SUNGAI PUNAI'
);