changed the method of 5 char extraction
changed the method of 5 char extraction

ArrowElectronics/aws-iot-dragonconnect-c,ArrowElectronics/aws-iot-dragonconnect-c,ArrowElectronics/aws-iot-dragonconnect-c,ArrowElectronics/aws-iot-dragonconnect-c,ArrowElectronics/aws-iot-dragonconnect-c,ArrowElectronics/aws-iot-dragonconnect-c