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Code Inspection: Single character alternation

Last modified: 13 May 2022

Configure inspections: Settings | Editor | Inspections

Show intention actions: AltEnter

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. Place the caret at the highlighted line and press AltEnter or click the Intention action icon.

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

See also

Procedures