IOS string processing example, IOS string processing example

IOS string processing example, IOS string processing example

NSMutableString * string = [NSMutableString stringWithFormat: @ "age is % I.", 28];

[String setString: @" 123 "];

[String appendString: @" 456 "];

[String appendFormat: @ "age is % I.", 29];

NSLog (@ "afterAppend: % @", string );

[String setString: @" 123456 "];

Nsange range = [string rangeOfString: @ "345"];

[String replaceCharactersInRange: range withString: @ "abc"];

NSLog (@ "afterreplace: % @", string );

String extraction in iOS

This class library is parsed into a Dictionary by a third-party JSON parser. You can find the SBJson class library.

How to use a string in iOS?

@ "" NSString "" refers to the conversion of string char *, NSString, and string. Refer to NSString documentation.