I want to validate the email subject if it has defined formart
Format : Request for - account number - qwd123okj873huf
Request for - account number- : these are static one
qwd123okj873h : this is dynamic one where i need to validate it has 15alpanumeric character alone.
Planning use ismatch activivty - Could you pls help me on validating the 15 digit alpanumeric character
Note: No specical character allowed in that 15digit