var translated = messages[key] || messages[defaultString] || defaultString;
        if (params) {
            // We support both $n or {n} as placeholder indicators in the provided translated strings
            if (nlsPlaceHolderMode = "dollarSigns") {
                // Replace $n with the nth element in params
                translated = translated.replace(/\$(\$|[\d]+)/g, function(_, dollarMatch) {
                    if (dollarMatch == "$") return "$";
                    return params[dollarMatch];
                });
            }
            if (nlsPlaceHolderMode = "curlyBrackets") {
                // Replace {n} with the nth element in params
                translated = translated.replace(/\{([^\}]+)\}/g, function(_, curlyBracketMatch) {
                    return params[curlyBracketMatch];
                });
            }
        }
        return translated;