validateChannelId static method
Returns true if the given id is a valid channel id.
Implementation
static bool validateChannelId(String id) {
if (id.isNullOrWhiteSpace) {
return false;
}
if (!id.startsWith('UC')) {
return false;
}
if (id.length != 24) {
return false;
}
return !RegExp(r'[^0-9a-zA-Z_\-]').hasMatch(id);
}