Cook the rotini pasta according to package instructions until al dente.
Drain the pasta and rinse it under cold water.
In a large bowl, combine the cooled pasta with cherry tomatoes, cucumbers, and bell peppers.
Mix in black olives and red onion.
Add parsley and feta cheese.
In a small bowl, whisk together olive oil, red wine vinegar, and Italian seasoning.
Pour the dressing over the salad and toss to coat.
Season with salt and pepper to taste.
Chill the salad in the refrigerator for at least 30 minutes before serving.
Serve chilled and enjoy!