In the era of regulatory reform ushered in by landmark legislation such as the Dodd-Frank Act, MiFID II, and GDPR, could you delve into the labyrinthine complexities faced by banks in navigating the regulatory compliance landscape, while balancing the imperatives of regulatory adherence with the exigencies of operational efficiency, cost management, and customer-centricity, amidst the backdrop of evolving regulatory expectations, technological disruptions, and competitive pressures reshaping the contours of the banking industry?