1#import "NSString+Extensions.h"
 2#import <CommonCrypto/CommonDigest.h>
 3
 4@implementation NSString (Extensions)
 5
 6- (NSString *)trim {
 7	return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
 8}
 9
10- (BOOL)isEmpty {
11	return [[self trim] isEqualToString:@""];
12}
13
14@end