PhpStorm 2021.1 Help

Code Inspection: Single character alternation

Reports single char alternation (e.g. a|b|c|d) in a RegExp. It is simpler to use a character class ([abcd]) instead. This usually also provides slightly better matching performance.

New in 2017.1

Suppress an inspection in the editor

  1. Position 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: 08 March 2021