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
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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.