isFullName function
validate the full name first
and last
name
it takes fullName of type string to validate it must contains first + space + last name
the name must be higher than 2 chars
isFullName("muhamed khaled") == true
isFullName("mo") == false
Implementation
bool isFullName(String fullName){
final nameRegex = RegExp(r"^([a-zA-Z]{2,}\s[a-zA-Z]{1,})$");
return nameRegex.hasMatch(fullName);
}