Is verbal confession (Vidui) required for teshuvah, or can repentance consist of internal regret alone?

Rosh HashanahRepentance

Synopsis

Verbal confession is a positive commandment and an essential component of teshuvah; one who repents but does not confess is like one immersing while holding a reptile (unfit).

Late Acharonim
Lenient
Strict
Lesser cited
Major authority

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