{"ScriptPreparationCode":"var fileName = \u0022test.jpg\u0022\r\nvar regex = /\\.[^\\.]\u002B$/;","TestCases":[{"Name":"match","Code":"const fileExtension = fileName?.match(/\\.[^\\.]\u002B$/)?.[0]","IsDeferred":false},{"Name":"split \u0026 pop","Code":"const fileExtension = \u0060.${fileName?.split(\u0027.\u0027).pop()}\u0060;","IsDeferred":false}]}