How to append NSString in Objective C?

The format specifier “%@” is used to insert string values. The example below uses a combination of whitespace and %@ format specifiers to append two strings to string1: NSString * string3 = [string1 stringByAppendingFormat:@” %@ %@”, string2, @”A third string.

How to append NSString?

5 Answers. If you can append to the end of a string, you can prepend to the beginning of the string. You can use stringWithFormat too: NSString *A = @”ThisIsStringA”; NSString *B = @”ThisIsStringB”; B = [NSString stringWithFormat:@”%@%@”,A,B];

How do you concatenate in Objective C?

First, use an NSMutableString , which has an appendString method, removing some of the need for extra temp strings. Second, use an NSArray to concatenate via the componentsJoinedByString method.

How do you add strings to NSString in Objective C?

In most cases, this is accomplished using an addition or concatenation operator. However, you do not do it this way in Objective-C. Strings in Objective-C are handled using the classes NSString and NSMutableString, and require a little more effort to work with on the part of the programmer.

How to append text to string in Objective-C?

Once a string has been initialized using NSString, the only way to append text to the string is to create a new NSString object. While doing so, you can append string constants, NSString objects, and other values. The NSString class contains several methods that you can use for this purpose. 1. stringByAppendingString: (NSString *)

How do you append text to NSString object?

Working with NSString Instances of the class NSString are immutable – their contents cannot be changed. Once a string has been initialized using NSString, the only way to append text to the string is to create a new NSString object. While doing so, you can append string constants, NSString objects, and other values.

Is it possible to change the contents of NSString?

Instances of the class NSString are immutable – their contents cannot be changed. Once a string has been initialized using NSString, the only way to append text to the string is to create a new NSString object.