$re = '/"?([^"{]+)?"?\s*:\s*"([^"]+)?",?/';
$str = '(function() {
\'use strict\';
//some configuration stuff (some other stuff may be insterted)
var translations = angular.module(\'module.translations.languages.enUs\', []);
translations.constant(\'translationsName\', {
"first_label":"first_label_value",
"second_label" : "second_label_value"
//etc
});
}());';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php