📄️ StringasciiToUtf8📄️ unicodeToUtf8unicodeToUtf8📄️ utf8Compareutf8Compare📄️ utf8Strlenutf8Strlen📄️ utf8Substrutf8Substr📄️ utf8ToLowerutf8ToLower📄️ utf8ToUnicodeutf8ToUnicode📄️ utf8ToUpperutf8ToUpper