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Bug Report: no-misleading-character-class false positives for intentional escape sequences

Bug Report: no-misleading-character-class false positives for intentional escape sequences: a task in LegoFlow-SWE (Harbor dataset). Rule: no-misleading-character-class

The task

**Rule:** `no-misleading-character-class`

Part of Lego-X/LegoFlow-SWE.