src/regexp> ./testphone 
Enter a phone number (or q to quit): 16175738000
 validated: (US/Canada) +1 617-573-8000
Enter a phone number (or q to quit): 680111111111
 validated: (Palau) + 680 (0)11-11-11-111
Enter a phone number (or q to quit): 777888888888
 validated: (Unknown - but possibly valid) + 777 (0)88-88-88-888
Enter a phone number (or q to quit): 86333333333
 validated: (China) + 86 (0)33-33-33-333
Enter a phone number (or q to quit): 962444444444
 validated: (Jordan) + 962 (0)44-44-44-444
Enter a phone number (or q to quit): 56777777777
 validated: (Chile) + 56 (0)77-77-77-777
Enter a phone number (or q to quit): 351666666666
 validated: (Portugal) + 351 (0)66-66-66-666
Enter a phone number (or q to quit): 31888888888
 validated: (Netherlands) + 31 (0)88-88-88-888
Enter a phone number (or q to quit): 20398478
Unknown format
Enter a phone number (or q to quit): 2828282828282
Unknown format
Enter a phone number (or q to quit): q
src/regexp>