Objective-C??BF??
BF???Brute Force Algorithm??????????????????????????????????????????????????????????????????????????????????Objective-C??BF????????
#import @interface StringMatcher : NSObject (NSArray )findPattern:(NSString)pattern inText:(NSString*)text;@end
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BF?????????????????????????????????????? 1. ?????????????????????????? 2. ??????????????????????? 3. ?????????????????????????? 4. ????????????????????????????????
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?????BF?????Objective-C???
#import @interface StringMatcher : NSObject (NSArray )findPattern:(NSString)pattern inText:(NSString*)text {NSArray * matches = [NSArray new];NSPredicate* predicate = [NSPredicate predicateWithFormat:@"SELF CONTAINS [c]"];//???? // ?????????????????// ????????????????????? return matches;} @end
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NSPredicate* patternPredicate = [NSPredicate predicateWithFormat:@"SELF CONTAINS [c]"]; NSManagedObjectContext* context = [NSManagedObjectContext mainQueue]; NSArray* matches = [context executeFetchRequest:patternPredicate]; // ????????matches?? ??
BF?????????????????????????????????Objective-C????????????????????????