Get country code from country name in IOS

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Jef’s answer helped here, with slight additions.

NSArray *countryCodes = [NSLocale ISOCountryCodes];
NSMutableArray *countries = [NSMutableArray arrayWithCapacity:[countryCodes count]];

for (NSString *countryCode in countryCodes)
{
    NSString *identifier = [NSLocale localeIdentifierFromComponents: [NSDictionary dictionaryWithObject: countryCode forKey: NSLocaleCountryCode]];
    NSString *country = [[[NSLocale alloc] initWithLocaleIdentifier:@"en_UK"] displayNameForKey: NSLocaleIdentifier value: identifier];
    [countries addObject: country];
}

NSDictionary *codeForCountryDictionary = [[NSDictionary alloc] initWithObjects:countryCodes forKeys:countries];

Now go through the ‘codeForCountryDictionary’ with the name of the country for which you require the code, for example,

NSLog(@"%@",[codeForCountryDictionary objectForKey:@"Spain"]);

would yield the result as ‘ES’, which is the 2 letter country code for spain.

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