decodeUnicode static method
Implementation
static String decodeUnicode(String? input) {
if (input == null) return "";
return input.replaceAllMapped(RegExp(r'\\u([0-9a-fA-F]{4})'), (match) {
final hexCode = match.group(1);
return String.fromCharCode(int.parse(hexCode!, radix: 16));
});
}