symfony2admingenerator / GeneratorBundle

        $pattern_string = '/^(?<string>[^|]+)(?<parameter_bag>\|\{(\s?%[a-zA-Z0-9.]+%:\s[a-zA-Z0-9.]+,?\s?)+\s?\}\|)\s*$/';

        $pattern_params = '/(?>(?<=(\|\{\s|.,\s))%(?<key>[a-zA-Z0-9.]+)%:\s(?<value>[a-zA-Z0-9.]+)(?=(,\s.|\s\}\|)))+/';

        if (preg_match($pattern_string, $subject, $match_string)) {

            $string = $match_string['string'];

            $parameter_bag = $match_string['parameter_bag'];

            $param = array();

            preg_match_all($pattern_params, $parameter_bag, $match_params, PREG_SET_ORDER);

            foreach ($match_params as $match) {

                $param[$match['key']] = $match['value'];

            }

            return array(

                'string' => $string,

                'params' => $param

            );

        }

        # Feature - read abbreviated syntax parameters

        $abbreviated_pattern_string = '/^(?<string>[^|]+)(?<parameter_bag>\|\{(\s?[a-zA-Z0-9.]+,?\s?)+\s?\}\|)\s*$/';

        $abbreviated_pattern_string = '/^(?<string>[^|]+)(?<parameter_bag>\|\{(\s?[a-zA-Z0-9.]+,?\s?)+\s?\}\|)\s*$/';

        $abbreviated_pattern_params = '/(?>(?<=(\|\{\s|.,\s))(?<param>[a-zA-Z0-9.]+)(?=(,\s.|\s\}\|)))+?/';

        if (preg_match($abbreviated_pattern_string, $subject, $match_string)) {

            $string = $match_string['string'];

            $parameter_bag = $match_string['parameter_bag'];

            $param = array();

            preg_match_all($abbreviated_pattern_params, $parameter_bag, $match_params);

            foreach ($match_params['param'] as $value) {

                $param[$value] = $value;

            }

            return array(

                'string' => $string,

                'params' => $param

            );

        }

        // If subject does not match any pattern, return false

        return false;