NSScanner 사용법

test.m

#import <Foundation/Foundation.h>

int main(int argc, const char *argv[]) {
  @autoreleasepool{
		NSString *str = @"Person::first:last:123";
		NSScanner *sc = [NSScanner scannerWithString:str];
		[sc setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@":"]];

		NSString *a, *b;
		b = [[NSString alloc] init];
		/*NSString *a = @""; 
		NSString *b = [a copy];*/
		int c = 0;

		if([sc scanString:@"Person::" intoString:NULL]){
			[sc scanUpToString:@":" intoString:&a];
			[sc scanUpToString:@":" intoString:&b];
			[sc scanInt:&c];
		}
		
		NSLog(@"%@, %@ ==> %d", a, b, c);
	}
	return 0;
}