simplifyUserId function
Implementation
String? simplifyUserId(String name) {
// example - @bitfriend:acter.global
RegExp re = RegExp(r'^@(.*):\w+([\.-]?\w+)*(\.\w+)+$');
RegExpMatch? m1 = re.firstMatch(name);
if (m1 != null) {
String? userId = m1.group(1);
if (userId != null) {
// replace symbol with string
return userId.replaceAllMapped(RegExp(r'=([0-9a-fA-F]{2})'), (m2) {
String? seg = m2.group(1);
if (seg == null) {
return '';
}
int charCode = int.parse(seg, radix: 16);
return String.fromCharCode(charCode);
});
}
}
return null;
}