isValidTimeFormat static method
Validates if a given time string is in the correct format (HH:MM).
@param timeString The time string to validate @return true if the format is valid, false otherwise
Implementation
static bool isValidTimeFormat(String timeString) {
// Regular expression to validate HH:MM format
final regex = RegExp(r'^([01]?[0-9]|2[0-3]):([0-5][0-9])$');
return regex.hasMatch(timeString);
}