PhpStorm 2023.3 Help

Code Inspection: Duplicate branch in alternation

Reports duplicate branches in a RegExp alternation. Duplicate branches slow down matching and obscure the intent of the expression.

Example:

(alpha|bravo|charlie|alpha)

After the quick-fix is applied:

(alpha|bravo|charlie)

New in 2017.1

Suppress an inspection in the editor

  1. Place the caret at the highlighted line and press Alt+Enter or click the Intention action icon.

  2. Click the arrow next to the inspection you want to suppress and select the necessary suppress action.

Last modified: 25 March 2024
Code Inspection: Duplicate branch in 'catch' statementCode Inspection: Duplicate branch in switch statement