3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "91018,4551,67),(91019,4551,70),(91020,4551,80),"; $pattern = '/(,)$/'; $str2 = preg_replace($pattern,'', $str); echo $str2;

preferences:
39.85 ms | 402 KiB | 5 Q