#pragma once #include uint8_t hexStringToUint8(String hex); uint16_t hexStringToUint16(String hex); String selectToMarkerLast(String str, String found); String selectToMarker(String str, String found); String deleteAfterDelimiter(String str, String found); String deleteBeforeDelimiter(String str, String found); String deleteBeforeDelimiterTo(String str, String found); String selectFromMarkerToMarker(String str, String found, int number); size_t itemsCount(String str, const String& separator); boolean isDigitStr(const String&); String prettyBytes(size_t size);