Code Inspection: Duplicate character in character class
Reports duplicate characters inside a RegExp character class. Duplicate characters are unnecessary and can be removed without changing the semantics of the regex.
After the quick-fix is applied:
Suppress an inspection in the editor
Position the caret at the highlighted line and press Alt+Enter or click .
Click the arrow next to the inspection you want to suppress and select the necessary suppress action.
Last modified: 13 May 2022