How to select value in curly brackets?

Question

PHP

There is a line

Text text {FOO} text text {BAR} text

how to select a value from curly braces to get an array of the form['FOO', 'BAR']

Answer 1

$text = 'Text text {FOO} text text {BAR} text';

if(preg_match_all('/\{(.*?)\}/', $text, $matches)) {
    print_r($matches[1]);
    exit;
}

Answer 2

/\{(.+?)\}/g
https://regex101.com/r/wskD0f/1