3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = <<<INP value that I {want}, vs value "I do {NOT} want". Lets make it's {nested {this {time}}} And yes, it's even "{bullet-{proof}}" whats :) INP; @preg_match_all('~("|\').*?\1(*SKIP)(*FAIL)|\{(?:[^{}]|(?R))*\}~', $input, $m); print_r($m[0]); ?>

preferences:
35.73 ms | 402 KiB | 5 Q