Regular Clerks
regular, clerks
Generic name of religious institutes of men, combining the activities of the secular clergy with the solemn vows and common life of monks, though without the obligation of choir service, e.g., Jesuits, Theatines ; in a broader sense, similar institutes without the solemn vows, e.g., Passionists, Redemptorists; or even without vows, e.g., Sulpicians, Salesians.
Fuente: New Catholic Dictionary
Regular Clerks
are modern religious orders founded for preaching, medicine, or education. The principal are the Theatines (q.v.), founded by Paul IV, and the Oratorians (q.v.), instituted in 1550 by Philip Neri, of Florence.