https://code-reference.com/ 2026-06-21T05:41:41+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/caseinsensitivecompare?rev=1708042344&do=diff -(NSComparisonResult)caseInsensitiveCompare:(NSString *)string; Returns the result of invoking compare:options: with NSCaseInsensitiveSearch as the only option. ObjC Sourcecode Example NSString *myString1=@"HELLO WORLD"; NSString *myString2=@"hello world"; if([myString1 caseInsensitiveCompare:myString2]==NSOrderedSame){ NSLog(@"similar"); } else{ NSLog(@"dissimilar"); } /* … text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/isequaltostring?rev=1708042344&do=diff isEqualToString - (BOOL)isEqualToString:(NSString *)aString; Returns a Boolean value that indicates whether a given string is equal to the receiver using an literal Unicode-based comparison. ObjC Sourcecode Example NSString *myString1=@"Hello World"; NSString *myString2=@"Hello World"; if([myString1 isEqualToString:myString2]){ NSLog(@"similar"); } else{ NSLog(@"dissimilar"); } … text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/lowercasestring?rev=1708042344&do=diff lowercaseString -(NSString *)lowercaseString; Returns lowercased representation of the receiver. ObjC Sourcecode Example NSString *myString=@"HELLO WORLD"; myString=[myString lowercaseString]; NSLog(@"%@",myString); text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/stringbyappendingformat?rev=1708042344&do=diff - (NSString *)stringByAppendingFormat:(NSString *)format, … Returns a string made by appending to the receiver a string constructed from a given format string and the following arguments. ObjC Sourcecode Example for(int a=0; a<5; a++) { NSString *cycle=@"Pass"; cycle=[cycle stringByAppendingFormat:@"%i", a]; NSLog(@"%@", cycle); } text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/stringbyappendingstring?rev=1708042344&do=diff stringByAppendingString -(NSString *)stringByAppendingString:(NSString *)aString; Returns a new string made by appending a given string to the receiver. ObjC Sourcecode Example NSString *cycle=@"Pass"; for(int a=0; a<5; a++) { NSString *intValue=[NSString stringWithFormat:@"%i", a]; cycle=[cycle stringByAppendingString:intValue]; NSLog(@"%@", cycle); } text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/stringwithformat?rev=1708042344&do=diff stringWithFormat + (id)stringWithFormat:(NSString *)format, ... Returns a string created by using a given format string as a template into which the remaining argument values are substituted ObjC Sourcecode Example int a= 42; // string composed of single varable NSString *myString=[NSString stringWithFormat:@"the answer to life the universe and everything is %i", a]; NSLog(@"MyString: %@", myString); … text/html 2024-02-16T01:12:24+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h/uppercasestring?rev=1708042344&do=diff uppercaseString -(NSString *)uppercaseString; Returns an uppercased representation of the receiver. ObjC Sourcecode Example NSString *myString=@"hello world"; myString=[myString uppercaseString]; NSLog(@"%@",myString);