See your specialist first, get the full diagnosis, and go from there.
Most individuals with disc herniations will respond very well to isometric stabilization work (e.g. bridges) and motor control exercises (e.g. birddogs). Stretching of the hamstrings and hip flexors is of paramount importance, although it may be delayed initially if these positions cause pain.
Eventually, you'll find that DB single-leg exercises are your best friends. Learn to love lunges, split-squats, and step-ups.