He has been remanded in custody.
“We have been working tirelessly to identify a suspect, arrest them, and collate evidence to support our investigation and the court proceedings,” said Det Insp Carol Shoesmith.
“We understand the strength it takes for victims to come forward to report such offences.”
The victim is receiving specialist support, according to Sussex Police.
Shoesmith thanked the public for sharing the force’s appeal for information in the investigation.