PhpStorm 2022.1 Help

Code Inspection: Single character alternation

Reports single char alternation in a RegExp. It is simpler to use a character class instead. This may also provide better matching performance.

Example:

a|b|c|d

After the quick-fix is applied:

[abcd]

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: 13 May 2022