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In this contribution, we study the quasinormal modes of a Generic--class of aregular black hole with a magnetic charge in nonlinear electrodynamics,considering scalar and electromagnetic perturbations. The Generic--classcontains the Bardeen--class, Hayward--class, and New--class solutions. As theGeneric--class can represent a black hole with two horizons or one horizon.First, we obtain the critical values of the magnetic charge and mass. Then,using the third--order WKB approximation, we can determine the dependence ofthe quasinormal modes with the parameters of the Generic--class. Finally, thetransmission and reflection coefficients of the scattered wave in thethird--order WKB approximation are calculated.

Quasinormal modes of a Generic-class of magnetically charged regular black hole: scalar and electromagnetic perturbations